CISA ADP Vulnrichment

Answer in brief

CVE-2024-55591 records a Critical severity (CVSS 9.8) vulnerability in CISA ADP Vulnrichment. The current sources mark it as known exploited. The current feed maps Fortinet/FortiOS (generic), Fortinet/FortiProxy (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jan 14, 2025Updated Aug 5, 2026Source checked Sep 19, 2026First seen by HOL May 24, 2026Material review Aug 5, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 9.8
Exploitation: Known exploited
Affected software: 2 mapped packages or products
Fix availability: Not reported

Why this deserves its current priority

CVSS is 9.8. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Fortinet/FortiOS (generic), Fortinet/FortiProxy (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Fortinet/FortiOSgeneric	7.0.0	Not reported
Fortinet/FortiProxygeneric	7.2.0 \|\| 7.0.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Fortinet/FortiOS, Fortinet/FortiProxy.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Jan 14, 2025
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
May 24, 2026
Added to CISA KEV
Jan 14, 2025
Evidence: source:kev:kev:kev:record

Sources and claim methodology

Upstream source description

An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] affecting FortiOS version 7.0.0 through 7.0.16 and FortiProxy version 7.0.0 through 7.0.19 and 7.2.0 through 7.2.12 allows a remote attacker to gain super-admin privileges via crafted requests to Node.js websocket module.

Quoted source text, attributed separately from HOL analysis.