CVE-2020-3153

mediumpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.283 · 98 %ileexploit · weaponizedEURUUS
grimoire priorityP0 · Act now
Exploitable?
Yes · in the wild
CISA KEV · 4 exploits · weaponized
Likely / severe?
28.3% (98th) EPSS
CVSS 4.9 · medium
Is it mine?
4 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

added 2022-10-24remediate by 2022-11-14

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-23

Cisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Vulnerability

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 related attacks. To exploit this vulnerability, the attacker needs valid credentials on the Windows system.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

Technical severity, 0–10. One row per scoring source.

6.5
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:C/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 6.9
v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2 · impact 4
v3.06.5mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:Nsecondary · ENISA EU
v3.06.5mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:Nsecondary · psirt@cisco.com USexploitability 2 · impact 4
v3.06.5mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:Nsecondary · Cisco PSIRT US
v3.16.5mediumAV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU
v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N/E:Hsecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

05

exploits (4)

Public proof-of-concept and weaponised exploit code.

06

affected products (4)

Products and version ranges known to be affected.

07

advisories (1)

Vendor and ecosystem advisories describing this.

  • cisco-sa-ac-win-path-traverse-qO4HWBsjCisco AnyConnect Secure Mobility Client for Windows Uncontrolled Search Path Vulnerability2020-02-19csaf · cisco_csafUS

    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 related attacks. To exploit this vulnerability, the attacker needs valid credentials on the Windows system. Cisco has released software updates that address the vulnerability described in this advisory. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-win-path-traverse-qO4HWBsj ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ac-win-path-traverse-qO4HWBsj"]

08

also known as (4)

Other names and identifiers for this entity.

09

sources

Which sources assert this record, and when.

11

references (20)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan