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No exploitation reportedFix available

CVE-2021-37601

No exploitation reported by the sources we read.

  • Published2021-07-30

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

muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive information (list of admins, members, owners, and banned entities of a Multi-User chat room) in some common configurations.

Timeline

dates in UTC
  1. 2021-07-3014:15CVE publishedNVD

Versions per branch

NVD
Prosody
BranchAffectedFixed in
0.11≥ 0.11.0, ≤ 0.11.9no fix published

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

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • prosodyUbuntu:Pro:18.04:LTSall versions · no fixed version listed
  • prosodyUbuntu:20.04:LTSall versions · no fixed version listed
  • prosodyUbuntu:16.04:LTSall versions · no fixed version listed
  • prosodySUSE:Package Hub 15 SP3all versions · fixed in 0.11.10-bp153.2.6.2
  • prosodyopenSUSE:Tumbleweedall versions · fixed in 0.11.10-1.2
  • prosodyopenSUSE:Leap 15.3all versions · fixed in 0.11.10-bp153.2.6.2
  • prosodyDebian:14all versions · fixed in 0.11.9-2
  • prosodyDebian:13all versions · fixed in 0.11.9-2

13 more package ranges on OSV.dev

Full record on NVD

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

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2021-07-30
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-h6g2-mc2x-j8wm

Frequently asked questions

What is CVE-2021-37601?

muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive information (list of admins, members, owners, and banned entities of a Multi-User chat room) in some common configurations.

Is CVE-2021-37601 actively exploited?

Active exploitation of CVE-2021-37601 has not been confirmed. Its EPSS score was 2.3% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-37601?

CVE-2021-37601 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record