Public proof of conceptFix available

CVE-2022-30600

Q: Is CVE-2022-30600 actively exploited?

Active exploitation of CVE-2022-30600 has not been confirmed. Its EPSS score was 5.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-30600?

CVE-2022-30600 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2022-05-18
Fixed in3.11.7 · 3.10.11 · 3.9.14
WeaknessCWE-682

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 flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being bypassed.

Timeline

dates in UTC

2022-05-1818:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-30600?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-30600?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Moodle

Branch	Affected	Fixed in	Source
3.11	≥ 3.11, < 3.11.7	3.11.7	NVD
3.10	≥ 3.10, < 3.10.11	3.10.11	NVD
3.9	≥ 3.9, < 3.9.14	3.9.14	NVD
4.0	= 4.0.0	no fix published	NVD

Fedoraproject fedora

Branch	Affected	Fixed in	Source
34.x	= 34	no fix published	NVD
35.x	= 35	no fix published	NVD
36.x	= 36	no fix published	NVD

Redhat enterprise linux

Branch	Affected	Fixed in	Source
8.0	= 8.0	no fix published	NVD

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

Fix

Update Moodle to 3.11.7 · 3.10.11 · 3.9.14

Advisories and patches

git.moodle.orgPatch · Vendor Advisory
moodle.orgVendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedBoonjune/POC-CVE-2022-30600

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
CNAweakness (CWE)CWE-682read 2026-10-23
NVDweakness (CWE)CWE-682read 2026-10-23
FIRST EPSSEPSS score5.0 %2026-10-22
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2022-05-18
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-30600?

A flaw was found in moodle where logic used to count failed login attempts could result in the account lockout threshold being bypassed.

Is CVE-2022-30600 actively exploited?

Active exploitation of CVE-2022-30600 has not been confirmed. Its EPSS score was 5.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-30600?

CVE-2022-30600 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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