peter bassill · operator
$ cve CVE-2017-3813 JSON

CVE-2017-3813 EXPLOIT

7.8
HIGH · CVSS 3.0 · EPSS 1.7% (pctl 77)

Patch early

A public exploit exists.

Description

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.

Scoring

CVSS7.8 (HIGH, v3.0)
VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS1.71% — more likely to be exploited than 77% of all CVEs
WeaknessCWE-264
On CISA KEVno
Public exploityes
Published2017-02-09
Last modified2026-06-17

Affected (1)

VendorProduct
ciscoanyconnect secure mobility client

Public exploits

References

→ the Explorer  ·  watch your stack  ·  NVD