CISA KEV · Known exploitedMedium

CVE-2020-3153

Cisco AnyConnect Secure

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 relate...

CVSS: 6.5
EPSS: 27.5%
CISA KEV: Listed
Published: 2020.02.20

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability27.5%

Technical severityCVSS 6.5

Vulnerability overview

Affected product and versions

Product: Cisco AnyConnect Secure
Affected versions: unspecified, < 4.8.02042
Fixed versions: 4.8.02042

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply updates per vendor instructions.

Due date: 2022.11.14

1
Identify
Confirm that Cisco AnyConnect Secure and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
CWE: CWE-427
KEV added: 2022.10.24
Ransomware use: 확인됨