CVE intelligence and bounded remediation

CVE-2024-20358 — Cisco Adaptive Security Appliance Software security vulnerability

Medium CVSS 6.7

A vulnerability in the Cisco Adaptive Security Appliance (ASA) restore functionality that is available in Cisco ASA Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system with root-level privileges. Administrator-level privileges are required to exploit this vulnerability. This vulnerability exists because the contents of a backup file are improperly sanitized at restore time. An attacker could exploit this vulnerability by restoring a crafted backup file to an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux operating system as root.

Severity
Medium
CVSS
6.7 (3.1)
Published
2024-04-24
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-78

Affected products

  • cisco / adaptive_security_appliance_software / 9.8.1
  • cisco / adaptive_security_appliance_software / 9.8.1.5
  • cisco / adaptive_security_appliance_software / 9.8.1.7
  • cisco / adaptive_security_appliance_software / 9.8.2
  • cisco / adaptive_security_appliance_software / 9.8.2.8
  • cisco / adaptive_security_appliance_software / 9.8.2.14

Showing 6 representative product identities from 267 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Command, code, expression, and template injection

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Check exposure

  • Trace untrusted values to process execution, interpreters, evaluators, template engines, dynamic imports, and administrative scripting features.
  • Determine whether the affected path is reachable across each trust boundary and which service account or host privilege it inherits.
  • Review configuration for optional execution features, unsafe compatibility modes, and shell invocation.

Remediate safely

  • Replace string-built commands or evaluated code with fixed operations and structured argument APIs that do not invoke a shell.
  • Use strict allowlists for operation identifiers and reject unexpected input before it reaches any interpreter.
  • Update the affected component and add inert regression tests covering metacharacters, encoding variants, and alternate request paths.

Authoritative sources

Complete CVE record and remediation plan

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