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Vulnerabilities

Cisco Unified Communications Manager

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

239CVEs
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
Published 2021-12-10 · Analyzed
10.0KEV3 PoCEPSS 1.000
CVE-2008-0027
Heap-based buffer overflow in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager (CUCM) 4.2 before 4.2(3)SR3 and 4.3 before 4.3(1)SR1, and CallManager 4.0 and 4.1 before 4.1(3)SR5c, allows remote attackers to cause a denial of service or execute arbitrary code via a long request.
Published 2008-01-17 · Modified
10.0EPSS 0.571
CVE-2006-5278
Integer overflow in the Real-Time Information Server (RIS) Data Collector service (RisDC.exe) in Cisco Unified Communications Manager (CUCM, formerly CallManager) before 20070711 allow remote attackers to execute arbitrary code via crafted packets, resulting in a heap-based buffer overflow.
Published 2007-07-15 · Modified
10.0EPSS 0.089
CVE-2017-12337
A vulnerability in the upgrade mechanism of Cisco collaboration products based on the Cisco Voice Operating System software platform could allow an unauthenticated, remote attacker to gain unauthorized, elevated access to an affected device. The vulnerability occurs when a refresh upgrade (RU) or Prime Collaboration Deployment (PCD) migration is performed on an affected device. When a refresh upgrade or PCD migration is completed successfully, an engineering flag remains enabled and could allow root access to the device with a known password. If the vulnerable device is subsequently upgraded using the standard upgrade method to an Engineering Special Release, service update, or a new major release of the affected product, this vulnerability is remediated by that action. Note: Engineering Special Releases that are installed as COP files, as opposed to the standard upgrade method, do not remediate this vulnerability. An attacker who can access an affected device over SFTP while it is in a vulnerable state could gain root access to the device. This access could allow the attacker to compromise the affected system completely. Cisco Bug IDs: CSCvg22923, CSCvg55112, CSCvg55128, CSCvg55145, CSCvg58619, CSCvg64453, CSCvg64456, CSCvg64464, CSCvg64475, CSCvg68797.
Published 2017-11-16 · Modified
10.0EPSS 0.064
CVE-2007-5538
Buffer overflow in the Centralized TFTP File Locator Service in Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(3), and Unified CallManager 5.0, allows remote attackers to execute arbitrary code or cause a denial of service via unspecified vectors involving the processing of filenames, aka CSCsh47712.
Published 2007-10-18 · Modified
10.0EPSS 0.055
CVE-2008-1154
The Disaster Recovery Framework (DRF) master server in Cisco Unified Communications products, including Unified Communications Manager (CUCM) 5.x and 6.x, Unified Presence 1.x and 6.x, Emergency Responder 2.x, and Mobility Manager 2.x, does not require authentication for requests received from the network, which allows remote attackers to execute arbitrary code via unspecified vectors.
Published 2008-04-04 · Modified
10.0EPSS 0.051
CVE-2024-20253
A vulnerability in multiple Cisco Unified Communications and Contact Center Solutions products could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to the improper processing of user-provided data that is being read into memory. An attacker could exploit this vulnerability by sending a crafted message to a listening port of an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with the privileges of the web services user. With access to the underlying operating system, the attacker could also establish root access on the affected device.
Published 2024-01-26 · Modified
10.0EPSS 0.024
CVE-2011-1643
Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x, 7.x before 7.1(5b)su4, 8.0, and 8.5 before 8.5(1)su2 and Cisco Unified Presence Server 6.x, 7.x, 8.0, and 8.5 before 8.5xnr allow remote attackers to read database data by connecting to a query interface through an SSL session, aka Bug IDs CSCti81574, CSCto63060, CSCto72183, and CSCto73833.
Published 2011-08-29 · Modified
10.0EPSS 0.019
CVE-2025-20309
Cisco Unified Communications Manager Static SSH Credentials Vulnerability
Published 2025-07-02 · Analyzed
10.0EPSS 0.011
CVE-2026-20045
Cisco Unified Communications Products Remote Code Execution Vulnerability
Published 2026-01-21 · Analyzed
9.8KEVEPSS 0.045
CVE-2006-5277
Off-by-one error in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager (CUCM, formerly CallManager) before 20070711 allow remote attackers to execute arbitrary code via a crafted packet that triggers a heap-based buffer overflow.
Published 2007-07-15 · Modified
9.3EPSS 0.096
CVE-2007-4634
Multiple SQL injection vulnerabilities in Cisco CallManager and Unified Communications Manager (CUCM) before 3.3(5)sr2b, 4.1 before 4.1(3)sr5, 4.2 before 4.2(3)sr2, and 4.3 before 4.3(1)sr1 allow remote attackers to execute arbitrary SQL commands via the lang variable to the (1) user or (2) admin logon page, aka CSCsi64265.
Published 2007-08-31 · Modified
9.31 PoCEPSS 0.043
CVE-2009-0632
The IP Phone Personal Address Book (PAB) Synchronizer feature in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.1, 4.2 before 4.2(3)SR4b, 4.3 before 4.3(2)SR1b, 5.x before 5.1(3e), 6.x before 6.1(3), and 7.0 before 7.0(2) sends privileged directory-service account credentials to the client in cleartext, which allows remote attackers to modify the CUCM configuration and perform other privileged actions by intercepting these credentials, and then using them in requests unrelated to the intended synchronization task, as demonstrated by (1) DC Directory account credentials in CUCM 4.x and (2) TabSyncSysUser account credentials in CUCM 5.x through 7.x.
Published 2009-03-12 · Modified
9.0EPSS 0.030
CVE-2021-1362
Cisco Unified Communications Products Remote Code Execution Vulnerability
Published 2021-04-08 · Modified
9.0EPSS 0.027
CVE-2022-20859
Cisco Unified Communications Products Access Control Vulnerability
Published 2022-07-06 · Modified
9.0EPSS 0.013
CVE-2017-6757
A vulnerability in Cisco Unified Communications Manager 10.5(2.10000.5), 11.0(1.10000.10), and 11.5(1.10000.6) could allow an authenticated, remote attacker to conduct a blind SQL injection attack. The vulnerability is due to a failure to validate user-supplied input used in SQL queries that bypass protection filters. An attacker could exploit this vulnerability by sending crafted URLs that include SQL statements. An exploit could allow the attacker to modify or delete entries in some database tables, affecting the integrity of the data. Cisco Bug IDs: CSCve13786.
Published 2017-08-07 · Modified
8.8EPSS 0.016
CVE-2019-15972
Cisco Unified Communications Manager SQL Injection Vulnerability
Published 2019-11-26 · Modified
8.8EPSS 0.016
CVE-2018-0474
Cisco Unified Communications Manager Digest Credentials Disclosure Vulnerability
Published 2019-01-10 · Modified
8.8EPSS 0.015
CVE-2023-20010
A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system. This vulnerability exists because the web-based management interface inadequately validates user input. An attacker could exploit this vulnerability by authenticating to the application as a low-privileged user and sending crafted SQL queries to an affected system. A successful exploit could allow the attacker to read or modify any data on the underlying database or elevate their privileges.
Published 2023-01-19 · Modified
8.8EPSS 0.009
CVE-2023-20211
A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to conduct SQL injection attacks on an affected system. This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by authenticating to the application as a user with read-only or higher privileges and sending crafted HTTP requests to an affected system. A successful exploit could allow the attacker to read or modify data in the underlying database or elevate their privileges.
Published 2023-08-16 · Modified
8.8EPSS 0.008
CVE-2020-3135
Cisco Unified Communications Manager Cross-Site Request Forgery Vulnerability
Published 2020-09-23 · Modified
8.8EPSS 0.005
CVE-2025-20326
Cisco Unified Communications Manager Cross-Site Request Forgery Vulnerability
Published 2025-09-03 · Analyzed
8.8EPSS 0.002
CVE-2026-20230
Cisco Unified Communications Manager Server-Side Request Forgery Vulnerability
Published 2026-06-03 · Analyzed
8.6KEVEPSS 0.882
CVE-2019-1887
Cisco Unified Communications Manager Session Initiation Protocol Denial of Service Vulnerability
Published 2019-07-06 · Modified
8.6EPSS 0.018
CVE-2024-20375
A vulnerability in the SIP call processing function of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper parsing of SIP messages. An attacker could exploit this vulnerability by sending a crafted SIP message to an affected Cisco Unified CM or Cisco Unified CM SME device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition that interrupts the communications of reliant voice and video devices.
Published 2024-08-21 · Analyzed
8.6EPSS 0.007
CVE-2023-20259
A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an unauthenticated, remote attacker to cause high CPU utilization, which could impact access to the web-based management interface and cause delays with call processing. This API is not used for device management and is unlikely to be used in normal operations of the device. This vulnerability is due to improper API authentication and incomplete validation of the API request. An attacker could exploit this vulnerability by sending a crafted HTTP request to a specific API on the device. A successful exploit could allow the attacker to cause a denial of service (DoS) condition due to high CPU utilization, which could negatively impact user traffic and management access. When the attack stops, the device will recover without manual intervention.
Published 2023-10-04 · Modified
8.6EPSS 0.006
CVE-2011-1609
SQL injection vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5)su1, 8.0 before 8.0(3), and 8.5 before 8.5(1) allows remote authenticated users to execute arbitrary SQL commands via unspecified vectors, aka Bug ID CSCtg85647.
Published 2011-05-03 · Modified
8.51 PoCEPSS 0.198
CVE-2014-3338
The CTIManager module in Cisco Unified Communications Manager (CM) 10.0(1), when single sign-on is enabled, does not properly validate Kerberos SSO tokens, which allows remote authenticated users to gain privileges and execute arbitrary commands via crafted token data, aka Bug ID CSCum95491.
Published 2014-08-12 · Modified
8.5EPSS 0.031
CVE-2013-3462
Buffer overflow in Cisco Unified Communications Manager (Unified CM) 7.1(x) before 7.1(5b)su6, 8.5(x) before 8.5(1)su6, 8.6(x) before 8.6(2a)su3, and 9.x before 9.1(2) allows remote authenticated users to execute arbitrary code via unspecified vectors, aka Bug ID CSCud54358.
Published 2013-08-25 · Modified
8.5EPSS 0.030
CVE-2022-20789
Cisco Unified Communications Products Arbitrary File Write Vulnerability
Published 2022-04-21 · Modified
8.5EPSS 0.014
CVE-2022-20816
Cisco Unified Communications Manager Arbitrary File Deletion Vulnerability
Published 2022-08-10 · Modified
8.1EPSS 0.012
CVE-2011-3315
Directory traversal vulnerability in Cisco Unified Communications Manager (CUCM) 5.x and 6.x before 6.1(5)SU2, 7.x before 7.1(5b)SU2, and 8.x before 8.0(3), and Cisco Unified Contact Center Express (aka Unified CCX or UCCX) and Cisco Unified IP Interactive Voice Response (Unified IP-IVR) before 6.0(1)SR1ES8, 7.0(x) before 7.0(2)ES1, 8.0(x) through 8.0(2)SU3, and 8.5(x) before 8.5(1)SU2, allows remote attackers to read arbitrary files via a crafted URL, aka Bug IDs CSCth09343 and CSCts44049.
Published 2011-10-27 · Modified
7.81 PoCEPSS 0.257
CVE-2015-6360
The encryption-processing feature in Cisco libSRTP before 1.5.3 allows remote attackers to cause a denial of service via crafted fields in SRTP packets, aka Bug ID CSCux00686.
Published 2016-04-21 · Modified
7.8EPSS 0.083
CVE-2009-2052
Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2), and 7.1 before 7.1(2); and Cisco Unified Presence 1.x, 6.x before 6.0(6), and 7.x before 7.0(4); allows remote attackers to cause a denial of service (TCP services outage) via a large number of TCP connections, related to "tracking of network connections," aka Bug IDs CSCsq22534 and CSCsw52371.
Published 2009-08-27 · Modified
7.8EPSS 0.040
CVE-2009-2050
Cisco Unified Communications Manager (aka CUCM, formerly CallManager) before 6.1(1) allows remote attackers to cause a denial of service (voice-services outage) via a malformed header in a SIP message, aka Bug ID CSCsi46466.
Published 2009-08-27 · Modified
7.8EPSS 0.034
CVE-2009-2051
Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), and 7.x before 7.1(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a malformed SIP INVITE message that triggers an improper call to the sipSafeStrlen function, aka Bug IDs CSCsz40392 and CSCsz43987.
Published 2009-08-27 · Modified
7.8EPSS 0.034
CVE-2009-2053
Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2a)su1, and 7.1 before 7.1(2) allows remote attackers to cause a denial of service (file-descriptor exhaustion and SCCP outage) via a flood of TCP packets, aka Bug ID CSCsx32236.
Published 2009-08-27 · Modified
7.8EPSS 0.034
CVE-2009-2054
Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), 7.0 before 7.0(2a)su1, and 7.1 before 7.1(2a)su1 allows remote attackers to cause a denial of service (file-descriptor exhaustion and SIP outage) via a flood of TCP packets, aka Bug ID CSCsx23689.
Published 2009-08-27 · Modified
7.8EPSS 0.034
CVE-2012-3949
The SIP implementation in Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su5, 8.x before 8.5(1)su4, and 8.6 before 8.6(2a)su1; Cisco IOS 12.2 through 12.4 and 15.0 through 15.2; and Cisco IOS XE 3.3.xSG before 3.3.1SG, 3.4.xS, and 3.5.xS allows remote attackers to cause a denial of service (service crash or device reload) via a crafted SIP message containing an SDP session description, aka Bug IDs CSCtw66721, CSCtj33003, and CSCtw84664.
Published 2012-09-27 · Modified
7.8EPSS 0.032
CVE-2011-1606
Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5)su1, 8.0 before 8.0(3), and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (process failure) via a malformed SIP message, aka Bug ID CSCtg62855.
Published 2011-05-03 · Modified
7.8EPSS 0.029
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