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No exploitation reportedFix available

CVE-2020-25911

No exploitation reported by the sources we read.

  • Published2021-10-31
  • WeaknessCWE-611

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A XML External Entity (XXE) vulnerability was discovered in the modRestServiceRequest component in MODX CMS 2.7.3 which can lead to an information disclosure or denial of service (DOS).

Timeline

dates in UTC
  1. 2021-10-3119:15CVE publishedNVD

Versions per branch

OSV · NVD
modx
BranchAffectedFixed in
2.7≥ 2.7.3, ≤ 2.7.3no fix published
Modx modx revolution
BranchAffectedFixed in
2.7= 2.7.3no fix published
modx/revolution
BranchAffectedFixed in
2.8< 2.8.02.8.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.19.1read 2026-10-23
  • NVDCVSS 2.06.4read 2026-10-23
  • NVDweakness (CWE)CWE-611read 2026-10-23
  • FIRST EPSSEPSS score2.4 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryCRITICAL2021-11-01

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Published
2021-10-31
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-vhfp-9wvj-gwvg

Frequently asked questions

What is CVE-2020-25911?

A XML External Entity (XXE) vulnerability was discovered in the modRestServiceRequest component in MODX CMS 2.7.3 which can lead to an information disclosure or denial of service (DOS).

Is CVE-2020-25911 actively exploited?

Active exploitation of CVE-2020-25911 has not been confirmed. Its EPSS score was 2.4% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-25911?

CVE-2020-25911 has a CVSS v3 base score of 9.1 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

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