CVE-2024-20391

mediumpriority · track · 0OT risk · elevatedEPSS 0.003 · 28 %ileDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.35% (28th) EPSS
CVSS 6.8 · medium
Is it mine?
40 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-27

A vulnerability in the Network Access Manager (NAM) module of Cisco Secure Client could allow an unauthenticated attacker with physical access to an affected device to elevate privileges to SYSTEM. This vulnerability is due to a lack of authentication on a specific function. A successful exploit could allow the attacker to execute arbitrary code with SYSTEM privileges on an affected device.

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.

6.8
010

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

v3.16.8mediumAV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.16.8mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.16.8mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@cisco.com USexploitability 0.9 · impact 5.9
v3.16.2mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.16.8mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · Cisco PSIRT US
03

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USCWE-306US
05

affected products (40)

Products and version ranges known to be affected.

showing 20 of 40
06

advisories (2)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2024-1154Cisco Secure Client: Schwachstelle ermöglicht PrivilegieneskalationDeutsch2024-05-15csaf · cert_bundDE

    Ein Angreifer mit physischem Zugriff kann eine Schwachstelle in Cisco Secure Client ausnutzen, um seine Privilegien zu erhöhen.

  • cisco-sa-secure-nam-priv-esc-szu2vYpZCisco Secure Client for Windows with Network Access Manager Module Privilege Escalation Vulnerability2024-05-15csaf · cisco_csafUS

    A vulnerability in the Network Access Manager (NAM) module of Cisco Secure Client could allow an unauthenticated attacker with physical access to an affected device to elevate privileges to SYSTEM. This vulnerability is due to a lack of authentication on a specific function. A successful exploit could allow the attacker to execute arbitrary code with SYSTEM privileges on an affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducisco_csafcert_bundNVDCVE.orgMITRE
published 2024-05-15modified 2026-06-17
09

references (5)

External citations — patches, advisories, analysis.

scry

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