CVE-2025-27688
Published: 18 March 2025
Summary
CVE-2025-27688 is a high-severity Incorrect Permission Assignment for Critical Resource (CWE-732) vulnerability in Dell Thinos. Its CVSS base score is 7.8 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 24.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 AC-6 (Least Privilege) and CM-6 (Configuration Settings).
Threat & Defense at a Glance
Threat & Defense Details
Mitigating Controls (NIST 800-53 r5)AI
Directly remediates the improper permissions vulnerability in Dell ThinOS by identifying, reporting, and applying vendor-provided security patches from DSA-2025-107 in a timely manner.
Mandates secure baseline configuration settings for system components, including proper permissions on resources, to block low-privileged local attackers from escalating privileges.
Enforces least privilege for accounts and processes, restricting low-privileged local users from accessing or executing privilege-escalating resources despite improper permissions.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The CVE describes a local improper permissions vulnerability that enables a low-privileged attacker to escalate privileges on the system, directly mapping to exploitation for privilege escalation.
NVD Description
Dell ThinOS 2408 and prior, contains an improper permissions vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.
Deeper analysisAI
CVE-2025-27688 is an improper permissions vulnerability (CWE-732) affecting Dell ThinOS versions 2408 and prior. Published on 2025-03-18, the issue has a CVSS v3.1 base score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), indicating high confidentiality, integrity, and availability impacts from a local attack.
A low-privileged attacker with local access could potentially exploit this vulnerability to escalate privileges on the affected system.
Dell has published Security Advisory DSA-2025-107 with further details and mitigation guidance at https://www.dell.com/support/kbdoc/en-us/000289886/dsa-2025-107.
Details
- CWE(s)