SARA / Free Tools / CVE / CVE-2020-3433

CVE-2020-3433 — Cisco AnyConnect Secure Mobility Client for Windows DLL Hijacking Vulnerability

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 attacker would need to have valid credentials

CVSS
7.8 HIGH
EPSS
4.46% (top 11.00%)
CWE
CWE-427
Published
2020-08-17T18:01:06.828Z
Last modified
2025-10-21T23:35:38.115Z
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA KEV — Actively Exploited
Added to KEV
2022-10-24
BOD 22-01 due
2022-11-14
Ransomware use
Known

01What is this vulnerability?

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 attacker would need to have valid credentials on the Windows system. The vulnerability is due to insufficient validation of resources that are loaded by the…

02Affected products

VendorProductVersions
CiscoCisco AnyConnect Secure Mobility Clientn/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-10-24. Ransomware use: Known.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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