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CVE-2024-20359

Cisco ASA and FTD Privilege Escalation Vulnerability

  • Medium 6.0
  • Exploited: added to CISA KEV 24 Apr 2024

Description

A vulnerability in a legacy capability that allowed for the preloading of VPN clients and plug-ins and that has been available in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to execute arbitrary code with root-level privileges. Administrator-level privileges are required to exploit this vulnerability. This vulnerability is due to improper validation of a file when it is read from system flash memory. An attacker could exploit this vulnerability by copying a crafted file to the disk0: file system of an affected device. A successful exploit could allow the attacker to execute arbitrary code on the affected device after the next reload of the device, which could alter system behavior. Because the injected code could persist across device reboots, Cisco has raised the Security Impact Rating (SIR) of this advisory from Medium to High.

Key facts

Published
24 Apr 2024
Last changed
21 Oct 2025
Assigned by
cisco
KEV added
24 Apr 2024
KEV fix due
1 May 2024
EPSS
18.816% likely to be exploited in the next 30 days, higher than 97.329% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: partial

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 6.0CVSS 3.1, Mediumfrom the CNA (cisco)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

What to do

  • Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
CiscoCisco Adaptive Security Appliance (ASA) Software
  • 9.8.1 (affected)
  • 9.8.1.5 (affected)
  • 9.8.1.7 (affected)
  • 9.8.2 (affected)
  • 9.8.2.8 (affected)
  • 9.8.2.14 (affected)
  • 9.8.2.15 (affected)
  • 9.8.2.17 (affected)
  • 9.8.2.20 (affected)
  • 9.8.2.24 (affected)
  • 9.8.2.26 (affected)
  • 9.8.2.28 (affected)
  • 9.8.2.33 (affected)
  • 9.8.2.35 (affected)
  • 9.8.2.38 (affected)
  • 9.8.3.8 (affected)
  • 9.8.3.11 (affected)
  • 9.8.3.14 (affected)
  • 9.8.3.16 (affected)
  • 9.8.3.18 (affected)
  • 9.8.3.21 (affected)
  • 9.8.3 (affected)
  • 9.8.3.26 (affected)
  • 9.8.3.29 (affected)
  • 9.8.4 (affected)
  • 9.8.4.3 (affected)
  • 9.8.4.7 (affected)
  • 9.8.4.8 (affected)
  • 9.8.4.10 (affected)
  • 9.8.4.12 (affected)
  • 9.8.4.15 (affected)
  • 9.8.4.17 (affected)
  • 9.8.4.25 (affected)
  • 9.8.4.20 (affected)
  • 9.8.4.22 (affected)
  • 9.8.4.26 (affected)
  • 9.8.4.29 (affected)
  • 9.8.4.32 (affected)
  • 9.8.4.33 (affected)
  • 9.8.4.34 (affected)
  • 9.8.4.35 (affected)
  • 9.8.4.39 (affected)
  • 9.8.4.40 (affected)
  • 9.8.4.41 (affected)
  • 9.8.4.43 (affected)
  • 9.8.4.44 (affected)
  • 9.8.4.45 (affected)
  • 9.8.4.46 (affected)
  • 9.8.4.48 (affected)
  • 9.12.1 (affected)
  • 9.12.1.2 (affected)
  • 9.12.1.3 (affected)
  • 9.12.2 (affected)
  • 9.12.2.4 (affected)
  • 9.12.2.5 (affected)
  • 9.12.2.9 (affected)
  • 9.12.3 (affected)
  • 9.12.3.2 (affected)
  • 9.12.3.7 (affected)
  • 9.12.4 (affected)
  • 9.12.3.12 (affected)
  • 9.12.3.9 (affected)
  • 9.12.2.1 (affected)
  • 9.12.4.2 (affected)
  • 9.12.4.4 (affected)
  • 9.12.4.7 (affected)
  • 9.12.4.10 (affected)
  • 9.12.4.13 (affected)
  • 9.12.4.8 (affected)
  • 9.12.4.18 (affected)
  • 9.12.4.24 (affected)
  • 9.12.4.26 (affected)
  • 9.12.4.29 (affected)
  • 9.12.4.30 (affected)
  • 9.12.4.35 (affected)
  • 9.12.4.37 (affected)
  • 9.12.4.38 (affected)
  • 9.12.4.39 (affected)
  • 9.12.4.40 (affected)
  • 9.12.4.41 (affected)
  • 9.12.4.47 (affected)
  • 9.12.4.48 (affected)
  • 9.12.4.50 (affected)
  • 9.12.4.52 (affected)
  • 9.12.4.54 (affected)
  • 9.12.4.55 (affected)
  • 9.12.4.56 (affected)
  • 9.12.4.58 (affected)
  • 9.12.4.62 (affected)
  • 9.12.4.65 (affected)
  • 9.14.1 (affected)
  • 9.14.1.10 (affected)
  • 9.14.1.6 (affected)
  • 9.14.1.15 (affected)
  • 9.14.1.19 (affected)
  • 9.14.1.30 (affected)
  • 9.14.2 (affected)
  • 9.14.2.4 (affected)
  • 9.14.2.8 (affected)
  • 9.14.2.13 (affected)
  • 9.14.2.15 (affected)
  • 9.14.3 (affected)
  • 9.14.3.1 (affected)
  • 9.14.3.9 (affected)
  • 9.14.3.11 (affected)
  • 9.14.3.13 (affected)
  • 9.14.3.18 (affected)
  • 9.14.3.15 (affected)
  • 9.14.4 (affected)
  • 9.14.4.6 (affected)
  • 9.14.4.7 (affected)
  • 9.14.4.12 (affected)
  • 9.14.4.13 (affected)
  • 9.14.4.14 (affected)
  • 9.14.4.15 (affected)
  • 9.14.4.17 (affected)
  • 9.14.4.22 (affected)
  • 9.14.4.23 (affected)
  • 9.15.1 (affected)
  • 9.15.1.7 (affected)
  • 9.15.1.10 (affected)
  • 9.15.1.15 (affected)
  • 9.15.1.16 (affected)
  • 9.15.1.17 (affected)
  • 9.15.1.1 (affected)
  • 9.15.1.21 (affected)
  • 9.16.1 (affected)
  • 9.16.1.28 (affected)
  • 9.16.2 (affected)
  • 9.16.2.3 (affected)
  • 9.16.2.7 (affected)
  • 9.16.2.11 (affected)
  • 9.16.2.13 (affected)
  • 9.16.2.14 (affected)
  • 9.16.3 (affected)
  • 9.16.3.3 (affected)
  • 9.16.3.14 (affected)
  • 9.16.3.15 (affected)
  • 9.16.3.19 (affected)
  • 9.16.3.23 (affected)
  • 9.16.4 (affected)
  • 9.16.4.9 (affected)
  • 9.16.4.14 (affected)
  • 9.16.4.18 (affected)
  • 9.16.4.19 (affected)
  • 9.16.4.27 (affected)
  • 9.16.4.38 (affected)
  • 9.16.4.39 (affected)
  • 9.16.4.42 (affected)
  • 9.16.4.48 (affected)
  • 9.16.4.55 (affected)
  • 9.17.1 (affected)
  • 9.17.1.7 (affected)
  • 9.17.1.9 (affected)
  • 9.17.1.10 (affected)
  • 9.17.1.11 (affected)
  • 9.17.1.13 (affected)
  • 9.17.1.15 (affected)
  • 9.17.1.20 (affected)
  • 9.17.1.30 (affected)
  • 9.17.1.33 (affected)
  • 9.18.1 (affected)
  • 9.18.1.3 (affected)
  • 9.18.2 (affected)
  • 9.18.2.5 (affected)
  • 9.18.2.7 (affected)
  • 9.18.2.8 (affected)
  • 9.18.3 (affected)
  • 9.18.3.39 (affected)
  • 9.18.3.46 (affected)
  • 9.18.3.53 (affected)
  • 9.18.3.55 (affected)
  • 9.18.3.56 (affected)
  • 9.18.4 (affected)
  • 9.18.4.5 (affected)
  • 9.18.4.8 (affected)
  • 9.19.1 (affected)
  • 9.19.1.5 (affected)
  • 9.19.1.9 (affected)
  • 9.19.1.12 (affected)
  • 9.19.1.18 (affected)
  • 9.19.1.22 (affected)
  • 9.19.1.24 (affected)
  • 9.19.1.27 (affected)
  • 9.20.1 (affected)
  • 9.20.1.5 (affected)
  • 9.20.2 (affected)
CiscoCisco Firepower Threat Defense Software
  • 6.2.3 (affected)
  • 6.2.3.1 (affected)
  • 6.2.3.2 (affected)
  • 6.2.3.3 (affected)
  • 6.2.3.4 (affected)
  • 6.2.3.5 (affected)
  • 6.2.3.6 (affected)
  • 6.2.3.7 (affected)
  • 6.2.3.8 (affected)
  • 6.2.3.10 (affected)
  • 6.2.3.11 (affected)
  • 6.2.3.9 (affected)
  • 6.2.3.12 (affected)
  • 6.2.3.13 (affected)
  • 6.2.3.14 (affected)
  • 6.2.3.15 (affected)
  • 6.2.3.16 (affected)
  • 6.2.3.17 (affected)
  • 6.2.3.18 (affected)
  • 6.6.0 (affected)
  • 6.6.0.1 (affected)
  • 6.6.1 (affected)
  • 6.6.3 (affected)
  • 6.6.4 (affected)
  • 6.6.5 (affected)
  • 6.6.5.1 (affected)
  • 6.6.5.2 (affected)
  • 6.6.7 (affected)
  • 6.6.7.1 (affected)
  • 6.4.0 (affected)
  • 6.4.0.1 (affected)
  • 6.4.0.3 (affected)
  • 6.4.0.2 (affected)
  • 6.4.0.4 (affected)
  • 6.4.0.5 (affected)
  • 6.4.0.6 (affected)
  • 6.4.0.7 (affected)
  • 6.4.0.8 (affected)
  • 6.4.0.9 (affected)
  • 6.4.0.10 (affected)
  • 6.4.0.11 (affected)
  • 6.4.0.12 (affected)
  • 6.4.0.13 (affected)
  • 6.4.0.14 (affected)
  • 6.4.0.15 (affected)
  • 6.4.0.16 (affected)
  • 6.4.0.17 (affected)
  • 6.7.0 (affected)
  • 6.7.0.1 (affected)
  • 6.7.0.2 (affected)
  • 6.7.0.3 (affected)
  • 7.0.0 (affected)
  • 7.0.0.1 (affected)
  • 7.0.1 (affected)
  • 7.0.1.1 (affected)
  • 7.0.2 (affected)
  • 7.0.2.1 (affected)
  • 7.0.3 (affected)
  • 7.0.4 (affected)
  • 7.0.5 (affected)
  • 7.0.6 (affected)
  • 7.0.6.1 (affected)
  • 7.1.0 (affected)
  • 7.1.0.1 (affected)
  • 7.1.0.2 (affected)
  • 7.1.0.3 (affected)
  • 7.2.0 (affected)
  • 7.2.0.1 (affected)
  • 7.2.1 (affected)
  • 7.2.2 (affected)
  • 7.2.3 (affected)
  • 7.2.4 (affected)
  • 7.2.4.1 (affected)
  • 7.2.5 (affected)
  • 7.2.5.1 (affected)
  • 7.3.0 (affected)
  • 7.3.1 (affected)
  • 7.3.1.1 (affected)
  • 7.4.0 (affected)
  • 7.4.1 (affected)

Timeline

  1. 24 Apr 2024 CVE-2024-20359 added to CISA KEV
  2. 24 Apr 2024 Added to the CISA KEV catalogue
  3. 24 Apr 2024 Published

Weakness

References