# CVE-2024-20358 — Cisco Secure Firewall Adaptive Security Appliance (ASA) Software

> As of 2026-03-04, CVE-2024-20358 is a MEDIUM-severity vulnerability in Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, CVSS v3.1 6, EPSS 0.6% (51.7th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2024-20358, most recently “Sen. Wyden Urges Binding Federal Mandate to Purge Internet-Facing Legacy VPNs for Zero-Trust Remote Access”.

**Last updated:** 2026-03-04

## What is CVE-2024-20358?

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.

The record classifies CVE-2024-20358 under weakness class [CWE-78](https://intel.threadlinqs.com/cwe/CWE-78). Its CVSS v3 base vector states that the flaw requires local access to the host, needs high-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity. 2 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 904 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6 — MEDIUM (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N`)
- **EPSS (FIRST):** 0.6% probability of exploitation in the next 30 days, higher than 51.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 7.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2024-04-24, last modified 2026-03-04

## Is CVE-2024-20358 being exploited?

Weaponised exploit code for CVE-2024-20358 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 26 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2024/CVE-2024-20358.md) (trickest)

## Affected products and versions

- [Cisco](https://intel.threadlinqs.com/vendors/cisco): Secure Firewall Adaptive Security Appliance (ASA) Software, Secure Firewall Threat Defense (FTD) Software

## How to fix CVE-2024-20358

No vendor patch reference has been recorded for CVE-2024-20358 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2024-20358

1 tracked threat in the Threadlinqs corpus references CVE-2024-20358, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Sen. Wyden Urges Binding Federal Mandate to Purge Internet-Facing Legacy VPNs for Zero-Trust Remote Access](https://intel.threadlinqs.com/threat/TL-2026-1774) — MEDIUM · 2026-07-27

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [sec.cloudapps.cisco.com](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-cmd-inj-ZJV8Wysm)

Canonical: https://intel.threadlinqs.com/cve/CVE-2024-20358
Full detection coverage and IOCs for threats exploiting CVE-2024-20358 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp