What is CVE-2021-1237?

CVE-2021-1237 is a high-severity vulnerability in Cisco Anyconnect Secure Mobility Client, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2021-01-13.

How severe is CVE-2021-1237?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2021-1237 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Cisco Anyconnect Secure Mobility Client

CVE-2021-1237

A vulnerability in the Network Access Manager and Web Security Agent components of Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to perform a DLL injection attack. To exploit this vulnerab…

EPSS: 0.001 (17.3th 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)

CWE-427 — Uncontrolled Search Path Element

Public proof-of-concept exploits

n0-traces/cve_

References

20210113 Cisco AnyConnect Secure Mobility Client for Windows DLL Injection Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2021-1237?: CVE-2021-1237 is a high-severity vulnerability in Cisco Anyconnect Secure Mobility Client, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2021-01-13.
How severe is CVE-2021-1237?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-1237 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.