Vulnerability in Cisco Anyconnect Secure Mobility Client
CVE-2020-3433
A vulnerability in the interprocess communication (IPC) channel of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack. To exploit this vulnerability, the attac…
EPSS: 0.045 (89.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Anyconnect Secure Mobility Client — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- 20200805 Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability (vendor-advisory, x_refsource_CISCO)
- packetstormsecurity.com/files/159420/Cisco-AnyConnect-Privilege-Escalation.html (x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-3433?
- CVE-2020-3433 is a high-severity vulnerability in Cisco Anyconnect Secure Mobility Client, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2020-08-17.
- How severe is CVE-2020-3433?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-3433 known to be exploited?
- Yes. CVE-2020-3433 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-10-24), indicating it is being actively exploited. 12 public proof-of-concept repositories are indexed.