vulnwire
7.8high

CVE-2017-38131 exploit

A vulnerability in the Start Before Logon (SBL) module of Cisco AnyConnect Secure Mobility Client Software for Windows could allow an unaut…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.7%
percentile 77%
Public exploits
1
Exploit-DB

A vulnerability in the Start Before Logon (SBL) module of Cisco AnyConnect Secure Mobility Client Software for Windows could allow an unauthenticated, local attacker to open Internet Explorer with the privileges of the SYSTEM user. The vulnerability is due to insufficient implementation of the access controls. An attacker could exploit this vulnerability by opening the Internet Explorer browser. An exploit could allow the attacker to use Internet Explorer with the privileges of the SYSTEM user. This may allow the attacker to execute privileged commands on the targeted system. This vulnerability affects versions prior to released versions 4.4.00243 and later and 4.3.05017 and later. Cisco Bug IDs: CSCvc43976.

Exploit prediction (EPSS)

1.71% probability of exploitation in the next 30 days, higher than 77% of all scored CVEs.

Exploits and detections

  • EDB-41476 Cisco AnyConnect Secure Mobility Client 4.3.04027 - Local Privilege Escalation · local · 2017-02-28

CVSS scores

Assigned byVersionScoreVector
NVD3.07.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.07.2AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • n/a Cisco AnyConnect Secure Mobility Client Software for Windows Versions prior to released versions 4.4.00243 and later and 4.3.05017 and later.

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
  • CWE-862 Missing Authorization

References

  • tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20170208-anyconnect · x_refsource_CONFIRM, x_transferred
  • exploit-db.com /exploits/41476/ · exploit, x_refsource_EXPLOIT-DB, x_transferred
  • securitytracker.com /id/1037796 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /bid/96145 · vdb-entry, x_refsource_BID, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.