VendorsDelllatitude_5520any version
Vulnerabilities

Dell Latitude 5520 any version

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

35CVEs
CVE-2026-81467
Dell ThinOS 10, versions prior to 2605_10. 2616, contains an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Command execution.
Published 2026-09-10 · Analyzed
9.8EPSS 0.030
CVE-2025-43728
Dell ThinOS 10, versions prior to 2508_10.0127, contain a Protection Mechanism Failure vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Protection mechanism bypass.
Published 2025-08-27 · Analyzed
9.8EPSS 0.004
CVE-2026-81048
Dell ThinOS 10, versions prior to 2605_10.2616, contain an Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Remote Code execution
Published 2026-09-10 · Analyzed
9.6EPSS 0.024
CVE-2026-81046
Dell ThinOS 10, versions prior to 2605_10.2616, contain a Protection Mechanism Failure vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Arbitrary Code Execution within the application context.
Published 2026-09-10 · Analyzed
9.4EPSS 0.006
CVE-2026-81468
Dell ThinOS 10, versions prior to 2605_10. 2616, contains an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Command execution.
Published 2026-09-10 · Analyzed
9.1EPSS 0.020
CVE-2021-21551
Dell dbutil_2_3.sys driver contains an insufficient access control vulnerability which may lead to escalation of privileges, denial of service, or information disclosure. Local authenticated user access is required.
Published 2021-05-04 · Analyzed
8.8KEV1 PoCEPSS 0.792
CVE-2022-34403
Dell BIOS contains a Stack based buffer overflow vulnerability. A local authenticated attacker could potentially exploit this vulnerability by using an SMI to send larger than expected input to a parameter to gain arbitrary code execution in SMRAM.
Published 2023-02-01 · Modified
8.8EPSS 0.002
CVE-2025-43730
Dell ThinOS 10, versions prior to 2508_10.0127, contains an Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability. A local unauthenticated user could potentially exploit this vulnerability leading to Elevation of Privileges and Information disclosure.
Published 2025-08-27 · Analyzed
8.4EPSS 0.002
CVE-2024-52541
Dell Client Platform BIOS contains a Weak Authentication vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of Privileges.
Published 2025-02-19 · Analyzed
8.2EPSS 0.002
CVE-2022-26861
Dell BIOS versions contain an Insecure Automated Optimization vulnerability. A local authenticated malicious user could exploit this vulnerability by sending malicious input via SMI to obtain arbitrary code execution during SMM.
Published 2022-09-06 · Modified
7.9EPSS 0.002
CVE-2022-26860
Dell BIOS versions contain a stack-based buffer overflow vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI to bypass security checks resulting in arbitrary code execution in SMM.
Published 2022-09-06 · Modified
7.8EPSS 0.002
CVE-2022-26858
Dell BIOS versions contain an Improper Authentication vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability by sending malicious input to an SMI in order to bypass security controls.
Published 2022-09-06 · Modified
7.8EPSS 0.002
CVE-2025-43729
Dell ThinOS 10, versions prior to 2508_10.0127, contains an Incorrect Permission Assignment for Critical Resource vulnerability. A local low-privileged attacker could potentially exploit this vulnerability leading to Elevation of Privileges and Unauthorized Access.
Published 2025-08-27 · Analyzed
7.8EPSS 0.001
CVE-2025-43882
Dell ThinOS 10, versions prior to 2508_10.0127, contains an Unverified Ownership vulnerability. A local low-privileged attacker could potentially exploit this vulnerability leading to Unauthorized Access.
Published 2025-08-27 · Analyzed
7.8EPSS 0.001
CVE-2021-21574
Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary code and bypass UEFI restrictions.
Published 2021-06-24 · Modified
7.5EPSS 0.003
CVE-2021-21573
Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary code and bypass UEFI restrictions.
Published 2021-06-24 · Modified
7.5EPSS 0.003
CVE-2021-21572
Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary code and bypass UEFI restrictions.
Published 2021-06-24 · Modified
7.5EPSS 0.003
CVE-2023-43078
Dell Dock Firmware and Dell Client Platform contain an Improper Link Resolution vulnerability during installation resulting in arbitrary folder deletion, which could lead to Privilege Escalation or Denial of Service.
Published 2024-08-28 · Analyzed
7.3EPSS 0.002
CVE-2022-22566
Select Dell Client Commercial and Consumer platforms contain a pre-boot direct memory access (DMA) vulnerability. An authenticated attacker with physical access to the system may potentially exploit this vulnerability in order to execute arbitrary code on the device.
Published 2022-02-09 · Modified
7.2EPSS 0.003
CVE-2022-34400
Dell BIOS contains a heap buffer overflow vulnerability. A local attacker with admin privileges could potentially exploit this vulnerability to perform an arbitrary write to SMRAM during SMM.
Published 2023-02-01 · Modified
7.1EPSS 0.002
CVE-2022-26859
Dell BIOS contains a race condition vulnerability. A local attacker could exploit this vulnerability by sending malicious input via SMI in order to bypass security checks during SMM.
Published 2022-09-06 · Modified
7.0EPSS 0.001
CVE-2025-29988
Dell Client Platform BIOS contains a Stack-based Buffer Overflow Vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary code execution.
Published 2025-04-09 · Analyzed
6.9EPSS 0.002
CVE-2023-48674
Dell Platform BIOS contains an Improper Null Termination vulnerability. A high privilege user with network access to the system could potentially send malicious data to the device in order to cause some services to cease to function.
Published 2024-03-01 · Analyzed
6.8EPSS 0.005
CVE-2026-81052
Dell ThinOS 10, versions prior to 2605_10.2616, contain a Download of Code Without Integrity Check vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to arbitrary code execution.
Published 2026-09-10 · Analyzed
6.8EPSS 0.002
CVE-2023-28063
Dell BIOS contains a Signed to Unsigned Conversion Error vulnerability. A local authenticated malicious user with admin privileges could potentially exploit this vulnerability, leading to denial of service.
Published 2024-02-06 · Modified
6.7EPSS 0.002
CVE-2024-0158
Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user with admin privileges may potentially exploit this vulnerability to modify a UEFI variable, leading to denial of service and escalation of privileges
Published 2024-07-02 · Modified
6.7EPSS 0.001
CVE-2026-81049
Dell ThinOS 10, versions prior to 2605_10.2616, contain a Missing Support for Integrity Check vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to arbitrary code execution.
Published 2026-09-10 · Analyzed
6.7EPSS 0.001
CVE-2026-81051
Dell ThinOS 10, versions prior to 2605_10.2616, contain a Security Version Number Mutable to Older Versions vulnerability. A low privileged attacker with physical access could potentially exploit this vulnerability, leading to Protection mechanism bypass.
Published 2026-09-10 · Analyzed
6.6EPSS 0.002
CVE-2021-21571
Dell UEFI BIOS https stack leveraged by the Dell BIOSConnect feature and Dell HTTPS Boot feature contains an improper certificate validation vulnerability. A remote unauthenticated attacker may exploit this vulnerability using a person-in-the-middle attack which may lead to a denial of service and payload tampering.
Published 2021-06-24 · Modified
6.5EPSS 0.005
CVE-2021-36285
Dell BIOS contains an Improper Restriction of Excessive Authentication Attempts vulnerability. A local authenticated malicious administrator could exploit this vulnerability to bypass excessive NVMe password attempt mitigations in order to carry out a brute force attack.
Published 2021-09-28 · Modified
5.7EPSS 0.002
CVE-2021-36284
Dell BIOS contains an Improper Restriction of Excessive Authentication Attempts vulnerability. A local authenticated malicious administrator could exploit this vulnerability to bypass excessive admin password attempt mitigations in order to carry out a brute force attack.
Published 2021-09-28 · Modified
5.7EPSS 0.002
CVE-2022-22567
Select Dell Client Commercial and Consumer platforms are vulnerable to an insufficient verification of data authenticity vulnerability. An authenticated malicious user may exploit this vulnerability in order to install modified BIOS firmware.
Published 2022-02-09 · Modified
5.1EPSS 0.001
CVE-2024-22448
Dell BIOS contains an Out-of-Bounds Write vulnerability. A local authenticated malicious user with admin privileges could potentially exploit this vulnerability, leading to denial of service.
Published 2024-04-10 · Analyzed
4.7EPSS 0.002
CVE-2022-46752
Dell BIOS contains an Improper Authorization vulnerability. An unauthenticated physical attacker may potentially exploit this vulnerability, leading to denial of service.
Published 2023-03-08 · Modified
4.6EPSS 0.003
CVE-2023-28064
Dell BIOS contains an Out-of-bounds Write vulnerability. An unauthenticated physical attacker may potentially exploit this vulnerability, leading to denial of service.
Published 2023-06-23 · Modified
4.6EPSS 0.003