CVE-2020-3153Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Vulnerability
Updated under an hour ago ()
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It affects Cisco AnyConnect Secure Mobility Client. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Oct 24, 2022; federal agencies had to remediate by Nov 14, 2022, and it is known to be used in ransomware. Treat that date as your deadline.
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A vulnerability in the installer component of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated local attacker to copy user-supplied files to system level directories with system level privileges. The vulnerability is due to the incorrect handling of directory paths. An attacker could exploit this vulnerability by creating a malicious file and copying the file to a system directory. An exploit could allow the attacker to copy malicious files to arbitrary locations with system level privileges. This could include DLL pre-loading, DLL hijacking, and other related attacks. To exploit this vulnerability, the attacker needs valid credentials on the Windows system.
- CVSS
- 6.5 MEDIUM (v3.0, CNA)CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
- Weakness (CWE)
- CWE-427
- Known exploited
- Added to CISA KEV Oct 24, 2022; federal remediation due Nov 14, 2022; known ransomware useApply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 28.31% (percentile 98)
- Assigned by
- cisco
- NVD analysis
- Analyzed
- Record last updated
- Aug 12, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Cisco Cisco AnyConnect Secure Mobility Client cisco:anyconnect_secure_mobility_client (from the name) | from unspecified before n/a | CNA record |
cisco anyconnect_secure_mobility_client cisco:anyconnect_secure_mobility_client | before 4.8.02042 | NVD |
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-win-path-traverse-qO4HWBsjvendor-advisory, x-refsource-cisco
- http://seclists.org/fulldisclosure/2020/Apr/43mailing-list, x-refsource-fulldisc, exploit, third-party-advisory
- http://packetstormsecurity.com/files/157340/Cisco-AnyConnect-Secure-Mobility-Client-4.8.01090-Privilege-Escalation.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- http://packetstormsecurity.com/files/158219/Cisco-AnyConnect-Path-Traversal-Privilege-Escalation.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- http://packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-Escalation.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3153us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.