CVE-2024-2054: The Artica-Proxy administrative web application will deserialize arbitrary PHP objects supplied by unauthentic

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2024-2054 is a critical-severity flaw (CVSS 9.8) affecting artica proxy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Artica-Proxy administrative web application will deserialize arbitrary PHP objects supplied by unauthenticated users and subsequently enable code execution as the "www-data" user.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	81.3% (top 1%)
CISA exploited list	No
Weakness	CWE-502
Published	2024-03-21
Last modified	2026-06-17

Publisher (CNA): Austin Hackers Anonymous · Vendor: articatech

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-03-21 02:52 UTCPublished CVE record published
2026-06-17 07:23 UTCUpdated Record last modified

articatech artica proxy DOWNGRADE

Affected: 4.50.000000

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.50.000000

1. Check installed version

apt-cache policy artica-proxy || rpm -q artica-proxy || artica-proxy --version

2. No fixed release: DOWNGRADE to a release before 4.50.000000 (Debian / Ubuntu)

apt-cache madison artica-proxy sudo apt install artica-proxy=<VERSION_BEFORE_4.50.000000> sudo apt-mark hold artica-proxy

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list artica-proxy sudo dnf downgrade artica-proxy-<VERSION_BEFORE_4.50.000000> sudo dnf versionlock add artica-proxy

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora ELN · efifs · FIXED · 1.13-1.eln159 · FEDORA-2026-3fd0bb7307 · source

sudo dnf upgrade --advisory=FEDORA-2026-3fd0bb7307

Fedora 46 · efifs · FIXED · 1.13-1.fc46 · FEDORA-2026-27ec2fc8fc · source

sudo dnf upgrade --advisory=FEDORA-2026-27ec2fc8fc

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: Madan301/CVE-2024-2054 (0 stars)
Write-up: korelogic.com/Resources/Advisories/KL-001-2024-002.txt
Exploit-DB: Artica Proxy 4.50 - Remote Code Execution (RCE)
Metasploit: Artica Proxy Unauthenticated PHP Deserialization Vulnerability

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-2054?

artica proxy: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-2054 being exploited?

CVE-2024-2054 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-2054 affect?

CVE-2024-2054 affects artica proxy. Severity is critical (CVSS 9.8). The Artica-Proxy administrative web application will deserialize arbitrary PHP objects supplied by unauthenticated users and subsequently enable code execution as the "www-data" user.

How urgent is CVE-2024-2054?

Priority 72/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-2056 CRITICAL 9.8 DOWNGRADE Services that are running and bound to the loopback interface on the Artica Proxy are accessible through the p
CVE-2024-2055 CRITICAL 9.8 DOWNGRADE The "Rich Filemanager" feature of Artica Proxy provides a web-based interface for file management capabilities
CVE-2024-2053 HIGH 7.5 DOWNGRADE The Artica Proxy administrative web application will deserialize arbitrary PHP objects supplied by unauthentic

References

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