CVE-2025-36846: An issue was discovered in Eveo URVE Web Manager 27.02.2025

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-36846 is a critical-severity flaw (CVSS 9.8) affecting urve web manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Eveo URVE Web Manager 27.02.2025. The application exposes a /_internal/pc/vpro.php localhost endpoint to unauthenticated users that is vulnerable to OS Command Injection. The endpoint takes an input parameter that is passed directly into the shell_exec() function of PHP. NOTE: this can be chained with CVE-2025-36845.

Why this priority

Critical severity
EPSS top 8%: 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	4.9% (top 8%)
CISA exploited list	No
Weakness	CWE-78
Published	2025-07-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: eveo

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

Am I affected?

Timeline

2025-07-21 18:15 UTCPublished CVE record published
2026-06-17 09:14 UTCUpdated Record last modified

eveo urve web manager DOWNGRADE

Affected: 27.02.2025

Fixed in: no fixed release known

Safe to downgrade to: a release before 27.02.2025

1. Check installed version

apt-cache policy urve-web-manager || rpm -q urve-web-manager || urve-web-manager --version

2. No fixed release: DOWNGRADE to a release before 27.02.2025 (Debian / Ubuntu)

apt-cache madison urve-web-manager sudo apt install urve-web-manager=<VERSION_BEFORE_27.02.2025> sudo apt-mark hold urve-web-manager

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

dnf --showduplicates list urve-web-manager sudo dnf downgrade urve-web-manager-<VERSION_BEFORE_27.02.2025> sudo dnf versionlock add urve-web-manager

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 46 · R · FIXED · 4.6.2-1.fc46 · FEDORA-2026-1dd919a262 · source

sudo dnf upgrade --advisory=FEDORA-2026-1dd919a262

Fedora ELN · perl-Mail-AuthenticationResults · FIXED · 2.20261029-1.eln159 · FEDORA-2026-a2c11d7da6 · source

sudo dnf upgrade --advisory=FEDORA-2026-a2c11d7da6

Public exploits and detection

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

Write-up: www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2025-034.txt

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-2025-36846?

urve web manager: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-36846 being exploited?

CVE-2025-36846 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-2025-36846 affect?

CVE-2025-36846 affects urve web manager. Severity is critical (CVSS 9.8). An issue was discovered in Eveo URVE Web Manager 27.02.2025. The application exposes a /_internal/pc/vpro.php localhost endpoint to unauthenticated users that is vulnerable to OS Command Injection. The endpoint takes an input parameter that

How urgent is CVE-2025-36846?

Priority 70/100. Critical severity; EPSS top 8%: 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-2025-36845 HIGH 8.6 DOWNGRADE An issue was discovered in Eveo URVE Web Manager 27.02.2025

References

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