CVE-2021-3980

Name: CVE-2021-3980
Creator: NVD / NIST
Published: 2021-12-03T15:15:08.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.59%

Last modified Jun 17, 2026

CVE-2021-3980 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. elgg is vulnerable to Exposure of Private Personal Information to an Unauthorized Actor. EPSS estimates a 1.59% chance of exploitation in the next 30 days.

Description

elgg is vulnerable to Exposure of Private Personal Information to an Unauthorized Actor

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.59%

72.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-359

Affected Software

Vendor	Product	Versions
Elgg	Elgg	< 3.3.23

References

https://github.com/elgg/elgg/commit/572d210e2392f1fdf47ff2f38665372a6535c126Patch, Third Party Advisory
https://huntr.dev/bounties/1f43f11e-4bd8-451f-a244-dc9541cdc0acExploit, Third Party Advisory
https://github.com/elgg/elgg/commit/572d210e2392f1fdf47ff2f38665372a6535c126Patch, Third Party Advisory
https://huntr.dev/bounties/1f43f11e-4bd8-451f-a244-dc9541cdc0acExploit, Third Party Advisory

Timeline

Published: Dec 3, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3980?

elgg is vulnerable to Exposure of Private Personal Information to an Unauthorized Actor

How severe is CVE-2021-3980?

CVE-2021-3980 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.59% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3980?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3980?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST