VDB

CVE-2017-6638

CVE-2017-6638 PUBLISHED CVSS 7.800000190734863 HIGH

A vulnerability in how DLL files are loaded with Cisco AnyConnect Secure Mobility Client for Windows could allow an authenticated, local attacker to install and run an executable file with privileges equivalent to the Microsoft Windows SYSTEM account. The vulnerability is due to incomplete input validation of path and file names of a DLL file before it is loaded. An attacker could exploit this vulnerability by creating a malicious DLL file and installing it in a specific system directory. A successful exploit could allow the attacker to execute commands on the underlying Microsoft Windows host with privileges equivalent to the SYSTEM account. The attacker would need valid user credentials to exploit this vulnerability. This vulnerability affects all Cisco AnyConnect Secure Mobility Client for Windows software versions prior to 4.4.02034. Cisco Bug IDs: CSCvc97928.

EPSS 0.06% · 19.6th percentile

Risk Scores

CVSS 3.0
7.800000190734863
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.06%
19.6th percentile

Affected Products

VendorProductVersions
n/aCisco AnyConnect Local Privilege Escalation VulnerabilityCisco AnyConnect Local Privilege Escalation Vulnerability
ciscoanyconnect_secure_mobility_client0

Timeline

  • Jun 7, 2017 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 23, 2021 EPSS Score
  • Aug 24, 2021 EPSS Score
  • Oct 26, 2021 EPSS Score
  • Dec 27, 2021 EPSS Score
  • Feb 28, 2022 EPSS Score
  • May 2, 2022 EPSS Score
  • Jul 3, 2022 EPSS Score
  • Sep 5, 2022 EPSS Score
  • Nov 6, 2022 EPSS Score
  • Jan 8, 2023 EPSS Score
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