No exploitation reportedFix available

CVE-2019-14880

Q: Is CVE-2019-14880 actively exploited?

Active exploitation of CVE-2019-14880 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-14880?

CVE-2019-14880 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:H/A:N.

No exploitation reported by the sources we read.

Published2020-03-31
Fixed in3.7.3 · 3.6.7 · 3.5.9
WeaknessCWE-287

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 vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.

Timeline

dates in UTC

2020-03-3116:15CVE publishedNVD

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-2019-14880?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-14880?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Moodle

Branch	Affected	Fixed in	Source
3.7	≥ 3.7, < 3.7.3	3.7.3	NVD
3.7	≥ 3.7.0, < 3.7.3	3.7.3	OSV
3.6	≥ 3.6, < 3.6.7	3.6.7	NVD
3.6	≥ 3.6.0, < 3.6.7	3.6.7	OSV
3.5	≥ 3.5, < 3.5.9	3.5.9	NVD
3.5	≥ 3.5.0, < 3.5.9	3.5.9	OSV

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

Fix

Update Moodle to 3.7.3 · 3.6.7 · 3.5.9

Advisories and patches

moodle.orgVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.1read 2026-10-23
CNACVSS 3.04.8read 2026-10-23
NVDCVSS 2.06.4read 2026-10-23
CNAweakness (CWE)CWE-287read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-22
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Published: 2020-03-31
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-14880?

Is CVE-2019-14880 actively exploited?

Active exploitation of CVE-2019-14880 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-14880?

CVE-2019-14880 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:H/A:N.

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