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Fencer Vulns
medium 5.6

CVE-2020-3432 json

Cisco AnyConnect Secure Mobility Client for Mac OS File Corruption Vulnerability

published 2025-02-11 20 mo ago modified 2026-06-17 4 mo ago also EUVD-2020-24703

cvss
5.6
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits
0
none known

Summary

A vulnerability in the uninstaller component of Cisco AnyConnect Secure Mobility Client for Mac OS could allow an authenticated, local attacker to corrupt the content of any file in the filesystem. The vulnerability is due to the incorrect handling of directory paths. An attacker could exploit this vulnerability by creating a symbolic link (symlink) to a target file on a specific path. A successful exploit could allow the attacker to corrupt the contents of the file. If the file is a critical systems file, the exploit could lead to a denial of service condition. To exploit this vulnerability, the attacker would need to have valid credentials on the system.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Patch / fix

  • cisco anyconnect_secure_mobility_client 4.9.00086

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 5.6 CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H/E:X/RL:X/RC:X
CISA ADP 3.1 5.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H
CNA 3.1 5.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H
CNA 3.0 5.6 CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H

Affected products

  • Cisco Cisco Secure Client

Classification

Weakness
  • CWE-59 Improper Link Resolution Before File Access

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.