VendorsFortinetfortiosany version
Vulnerabilities

Fortinet FortiOS any version

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

251CVEs
CVE-2023-41675
A use after free vulnerability [CWE-416] in FortiOS version 7.2.0 through 7.2.4 and version 7.0.0 through 7.0.10 and FortiProxy version 7.2.0 through 7.2.2 and version 7.0.0 through 7.0.8 may allow an unauthenticated remote attacker to crash the WAD process via multiple crafted packets reaching proxy policies or firewall policies with proxy mode alongside SSL deep packet inspection.
Published 2023-10-10 · Modified
5.3EPSS 0.010
CVE-2018-13365
An Information Exposure vulnerability in Fortinet FortiOS 6.0.1, 5.6.5 and below, allow attackers to learn private IP as well as the hostname of FortiGate via Application Control Block page.
Published 2019-05-29 · Modified
5.3EPSS 0.009
CVE-2018-13367
An information exposure vulnerability in FortiOS 6.2.3, 6.2.0 and below may allow an unauthenticated attacker to gain platform information such as version, models, via parsing a JavaScript file through admin webUI.
Published 2019-08-23 · Modified
5.3EPSS 0.009
CVE-2020-12818
An insufficient logging vulnerability in FortiGate before 6.4.1 may allow the traffic from an unauthenticated attacker to Fortinet owned IP addresses to go unnoticed.
Published 2020-09-24 · Modified
5.3EPSS 0.009
CVE-2018-13366
An information disclosure vulnerability in Fortinet FortiOS 6.0.1, 5.6.7 and below allows attacker to reveals serial number of FortiGate via hostname field defined in connection control setup packets of PPTP protocol.
Published 2019-04-09 · Modified
5.3EPSS 0.009
CVE-2025-47294
A integer overflow or wraparound in Fortinet FortiOS versions 7.2.0 through 7.2.7, versions 7.0.0 through 7.0.14 may allow a remote unauthenticated attacker to crash the csfd daemon via a specially crafted request.
Published 2025-05-28 · Analyzed
5.3EPSS 0.008
CVE-2024-46666
An allocation of resources without limits or throttling [CWE-770] vulnerability in FortiOS versions 7.6.0, versions 7.4.4 through 7.4.0, 7.2 all versions, 7.0 all versions, 6.4 all versions may allow a remote unauthenticated attacker to prevent access to the GUI via specially crafted requests directed at specific endpoints.
Published 2025-01-14 · Analyzed
5.3EPSS 0.007
CVE-2023-47536
An improper access control vulnerability [CWE-284] in FortiOS version 7.2.0, version 7.0.13 and below, version 6.4.14 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below may allow a remote unauthenticated attacker to bypass the firewall deny geolocalisation policy via timing the bypass with a GeoIP database update.
Published 2023-12-13 · Modified
5.3EPSS 0.006
CVE-2022-41329
An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in Fortinet FortiProxy version 7.2.0 through 7.2.1 and 7.0.0 through 7.0.7, FortiOS version 7.2.0 through 7.2.3 and 7.0.0 through 7.0.9 allows an unauthenticated attackers to obtain sensitive logging informations on the device via crafted HTTP GET requests.
Published 2023-03-07 · Modified
5.3EPSS 0.006
CVE-2024-26008
An improper check or handling of exceptional conditions vulnerability [CWE-703] in FortiOS version 7.4.0 through 7.4.3 and before 7.2.7, FortiProxy version 7.4.0 through 7.4.3 and before 7.2.9, FortiPAM before 1.2.0 and FortiSwitchManager version 7.2.0 through 7.2.3 and version 7.0.0 through 7.0.3 fgfm daemon may allow an unauthenticated attacker to repeatedly reset the fgfm connection via crafted SSL encrypted TCP requests.
Published 2025-10-14 · Analyzed
5.3EPSS 0.005
CVE-2025-25255
An Improperly Implemented Security Check for Standard vulnerability [CWE-358] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.11, FortiProxy 7.2 all versions, FortiProxy 7.0.1 through 7.0.22 may allow an unauthenticated proxy user to bypass the domain fronting protection feature via crafted HTTP requests.
Published 2025-10-14 · Modified
5.3EPSS 0.004
CVE-2025-22251
An improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in FortiOS 7.6.0, 7.4.0 through 7.4.5, 7.2 all versions, 7.0 all versions, 6.4 all versions may allow an unauthenticated attacker to inject unauthorized sessions via crafted FGSP session synchronization packets.
Published 2025-06-10 · Analyzed
5.3EPSS 0.004
CVE-2026-71408
A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions may allow attacker to denial of service via <insert attack vector here>
Published 2026-08-12 · Analyzed
5.3EPSS 0.004
CVE-2024-55599
An Improperly Implemented Security Check for Standard vulnerability [CWE-358] in FortiOS version 7.6.0, version 7.4.7 and below, 7.0 all versions, 6.4 all versions and FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions may allow a remote unauthenticated user to bypass the DNS filter via Apple devices.
Published 2025-07-08 · Modified
5.3EPSS 0.003
CVE-2022-22302
A clear text storage of sensitive information (CWE-312) vulnerability in both FortiGate version 6.4.0 through 6.4.1, 6.2.0 through 6.2.9 and 6.0.0 through 6.0.13 and FortiAuthenticator version 5.5.0 and all versions of 6.1 and 6.0 may allow a local unauthorized party to retrieve the Fortinet private keys used to establish secure communication with both Apple Push Notification and Google Cloud Messaging services, via accessing the files on the filesystem.
Published 2023-07-11 · Modified
5.3EPSS 0.003
CVE-2013-1414
Multiple cross-site request forgery (CSRF) vulnerabilities in Fortinet FortiOS on FortiGate firewall devices before 4.3.13 and 5.x before 5.0.2 allow remote attackers to hijack the authentication of administrators for requests that modify (1) settings or (2) policies, or (3) restart the device via a rebootme action to system/maintenance/shutdown.
Published 2013-07-08 · Modified
5.11 PoCEPSS 0.023
CVE-2015-5965
The SSL-VPN feature in Fortinet FortiOS before 4.3.13 only checks the first byte of the TLS MAC in finished messages, which makes it easier for remote attackers to spoof encrypted content via a crafted MAC field.
Published 2015-08-11 · Modified
5.0EPSS 0.021
CVE-2023-46715
An origin validation error [CWE-346] vulnerability in Fortinet FortiOS IPSec VPN version 7.4.0 through 7.4.1 and version 7.2.6 and below allows an authenticated IPSec VPN user with dynamic IP addressing to send (but not receive) packets spoofing the IP of another user via crafted network packets.
Published 2025-01-14 · Analyzed
5.0EPSS 0.009
CVE-2021-32600
An exposure of sensitive information to an unauthorized actor vulnerability in FortiOS CLI 7.0.0, 6.4.0 through 6.4.6, 6.2.0 through 6.2.9, 6.0.x and 5.6.x may allow a local and authenticated user assigned to a specific VDOM to retrieve other VDOMs information such as the admin account list and the network interface list.
Published 2021-11-17 · Modified
5.0EPSS 0.006
CVE-2020-29010
An exposure of sensitive information to an unauthorized actor vulnerability in FortiOS version 6.2.4 and below, version 6.0.10 and belowmay allow remote authenticated actors to read the SSL VPN events log entries of users in other VDOMs by executing "get vpn ssl monitor" from the CLI. The sensitive data includes usernames, user groups, and IP address.
Published 2025-03-17 · Analyzed
5.0EPSS 0.006
CVE-2023-45586
An insufficient verification of data authenticity vulnerability [CWE-345] in Fortinet FortiOS SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.12 & FortiProxy SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.13 allows an authenticated VPN user to send (but not receive) packets spoofing the IP of another user via crafted network packets.
Published 2024-05-14 · Modified
5.0EPSS 0.003
CVE-2025-58903
An Unchecked Return Value vulnerability [CWE-252] in Fortinet FortiOS version 7.6.0 through 7.6.3 and before 7.4.8 API allows an authenticated user to cause a Null Pointer Dereference, crashing the http daemon via a specialy crafted request.
Published 2025-10-14 · Modified
4.9EPSS 0.006
CVE-2024-50562
An Insufficient Session Expiration vulnerability [CWE-613] in FortiOS SSL-VPN version 7.6.0, version 7.4.6 and below, version 7.2.10 and below, 7.0 all versions, 6.4 all versions may allow an attacker in possession of a cookie used to log in the SSL-VPN portal to log in again, although the session has expired or was logged out.
Published 2025-06-10 · Modified
4.81 PoCEPSS 0.012
CVE-2023-47537
An improper certificate validation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4 all versions allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch.
Published 2024-02-15 · Modified
4.8EPSS 0.002
CVE-2023-29175
An improper certificate validation vulnerability [CWE-295] in FortiOS 6.2 all versions, 6.4 all versions, 7.0.0 through 7.0.10, 7.2.0 and FortiProxy 1.2 all versions, 2.0 all versions, 7.0.0 through 7.0.9, 7.2.0 through 7.2.3 may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the vulnerable device and the remote FortiGuard's map server.
Published 2023-06-13 · Modified
4.8EPSS 0.002
CVE-2024-26015
An incorrect parsing of numbers with different radices vulnerability [CWE-1389] in FortiProxy version 7.4.3 and below, version 7.2.10 and below, version 7.0.17 and below and FortiOS version 7.4.3 and below, version 7.2.8 and below, version 7.0.15 and below IP address validation feature may permit an unauthenticated attacker to bypass the IP blocklist via crafted requests.
Published 2024-07-09 · Modified
4.7EPSS 0.005
CVE-2020-15936
A improper input validation in Fortinet FortiGate version 6.4.3 and below, version 6.2.5 and below, version 6.0.11 and below, version 5.6.13 and below allows attacker to disclose sensitive information via SNI Client Hello TLS packets.
Published 2022-03-01 · Modified
4.5EPSS 0.007
CVE-2024-21754
A use of password hash with insufficient computational effort vulnerability [CWE-916] affecting FortiOS version 7.4.3 and below, 7.2 all versions, 7.0 all versions, 6.4 all versions and FortiProxy version 7.4.2 and below, 7.2 all versions, 7.0 all versions, 2.0 all versions may allow a privileged attacker with super-admin profile and CLI access to decrypting the backup file.
Published 2024-06-11 · Modified
4.4EPSS 0.035
CVE-2024-32122
A storing passwords in a recoverable format in Fortinet FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to information disclosure via modification of LDAP server IP to point to a malicious server.
Published 2025-04-08 · Modified
4.4EPSS 0.002
CVE-2018-13374
A Improper Access Control in Fortinet FortiOS 6.0.2, 5.6.7 and before, FortiADC 6.1.0, 6.0.0 to 6.0.1, 5.4.0 to 5.4.4 allows attacker to obtain the LDAP server login credentials configured in FortiGate via pointing a LDAP server connectivity test request to a rogue LDAP server instead of the configured one.
Published 2019-01-22 · Analyzed
4.3KEV1 PoCEPSS 0.378
CVE-2022-38380
An improper access control [CWE-284] vulnerability in FortiOS version 7.2.0 and versions 7.0.0 through 7.0.7 may allow a remote authenticated read-only user to modify the interface settings via the API.
Published 2022-11-02 · Modified
4.3EPSS 0.230
CVE-2015-3626
Cross-site scripting (XSS) vulnerability in the DHCP Monitor page in the Web User Interface (WebUI) in Fortinet FortiOS before 5.2.4 on FortiGate devices allows remote attackers to inject arbitrary web script or HTML via a crafted hostname.
Published 2015-08-11 · Modified
4.3EPSS 0.012
CVE-2023-29178
A access of uninitialized pointer vulnerability [CWE-824] in Fortinet FortiProxy version 7.2.0 through 7.2.3 and before 7.0.9 and FortiOS version 7.2.0 through 7.2.4 and before 7.0.11 allows an authenticated attacker to repetitively crash the httpsd process via crafted HTTP or HTTPS requests.
Published 2023-06-13 · Modified
4.3EPSS 0.009
CVE-2021-43206
A server-generated error message containing sensitive information in Fortinet FortiOS 7.0.0 through 7.0.3, 6.4.0 through 6.4.8, 6.2.x, 6.0.x and FortiProxy 7.0.0 through 7.0.1, 2.0.x allows malicious webservers to retrieve a web proxy's client username and IP via same origin HTTP requests triggering proxy-generated HTTP status codes pages.
Published 2022-05-04 · Modified
4.3EPSS 0.008
CVE-2024-33510
An improper neutralization of special elements in output used by a downstream component ('Injection') vulnerability [CWE-74] in FortiOS version 7.4.3 and below, version 7.2.8 and below, version 7.0.16 and below; FortiProxy version 7.4.3 and below, version 7.2.9 and below, version 7.0.16 and below; FortiSASE version 24.2.b SSL-VPN web user interface may allow a remote unauthenticated attacker to perform phishing attempts via crafted requests.
Published 2024-11-12 · Analyzed
4.3EPSS 0.006
CVE-2022-23442
An improper access control vulnerability [CWE-284] in FortiOS versions 6.2.0 through 6.2.11, 6.4.0 through 6.4.8 and 7.0.0 through 7.0.5 may allow an authenticated attacker with a restricted user profile to gather the checksum information about the other VDOMs via CLI commands.
Published 2022-08-03 · Modified
4.3EPSS 0.005
CVE-2025-25250
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.7, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiSASE 25.1.c may allow an authenticated user to access full SSL-VPN settings via crafted URL.
Published 2025-06-10 · Modified
4.3EPSS 0.005
CVE-2024-47569
A insertion of sensitive information into sent data vulnerability in Fortinet FortiMail 7.4.0 through 7.4.2, FortiMail 7.2.0 through 7.2.6, FortiMail 7.0 all versions, FortiManager 7.6.0 through 7.6.1, FortiManager 7.4.1 through 7.4.3, FortiManager Cloud 7.4.1 through 7.4.3, FortiNDR 7.6.0 through 7.6.1, FortiNDR 7.4.0 through 7.4.8, FortiNDR 7.2 all versions, FortiNDR 7.1 all versions, FortiNDR 7.0 all versions, FortiNDR 1.5 all versions, FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.4, FortiOS 7.2.0 through 7.2.8, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4.0 through 6.4.15, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.4, FortiProxy 7.2.0 through 7.2.10, FortiProxy 7.0 all versions, FortiProxy 2.0 all versions, FortiProxy 1.2 all versions, FortiProxy 1.1 all versions, FortiProxy 1.0 all versions, FortiRecorder 7.2.0 through 7.2.1, FortiRecorder 7.0.0 through 7.0.4, FortiTester 7.4.0 through 7.4.2, FortiTester 7.3 all versions, FortiTester 7.2 all versions, FortiTester 7.1 all versions, FortiTester 7.0 all versions, FortiTester 4.2 all versions, FortiVoice 7.0.0 through 7.0.4, FortiVoice 6.4.0 through 6.4.9, FortiVoice 6.0.7 through 6.0.12, FortiWeb 7.6.0, FortiWeb 7.4.0 through 7.4.4, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions, FortiWeb 6.4 all versions allows attacker to disclose sensitive information via specially crafted packets.
Published 2025-10-14 · Modified
4.3EPSS 0.005
CVE-2022-42469
A permissive list of allowed inputs vulnerability [CWE-183] in FortiGate version 7.2.3 and below, version 7.0.9 and below Policy-based NGFW Mode may allow an authenticated SSL-VPN user to bypass the policy via bookmarks in the web portal.
Published 2023-04-11 · Modified
4.3EPSS 0.004
CVE-2025-43892
A buffer over-read vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow an authenticated remote attacker to return a portion of device memory in the redirect response via submitting a specially crafted request.
Published 2026-07-14 · Modified
4.3EPSS 0.004
← Prev6 / 7Next →