CVE-2017-3813

highpriority · track · 42OT risk · elevatedEPSS 0.017 · 77 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

1.71% (77th) EPSS

CVSS 7.2 · high

Is it mine?

26 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

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.

cvss

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

7.8

010

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

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.07.8highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.07.4highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-862USprimaryCWE-264US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-41476Cisco AnyConnect Secure Mobility Client 4.3.04027 - Local Privilege EscalationPoC · exploit_db

affected products (26)

Products and version ranges known to be affected.

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.≤ Cisco AnyConnect Secure Mobility Client Software for Windows Versions prior to released versions 4.4.00243 and later and 4.3.05017 and later.enisa_euvdEU
cisco anyconnect secure mobility client= 4.0.00048nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.0.00051nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.0.00052nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.0.00057nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.0.00061nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.1.00028nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.1.02011nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.1.04011nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.1.06013nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.1.06020nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.1.08005nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.2.00096nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.2.01022nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.2.01035nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.2.02075nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.2.03013nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.2.04018nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.2.04039nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
cisco anyconnect secure mobility client= 4.2.05015nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*

showing 20 of 26

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2017-02-09modified 2026-06-17

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+11522 more

references (13)

External citations — patches, advisories, analysis.

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