CVE-2020-25269

Name: CVE-2020-25269
Creator: NVD / NIST
Published: 2020-09-11T05:15:12.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 2.69%

Last modified Jun 17, 2026

CVE-2020-25269 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue was discovered in InspIRCd 2 before 2.0.29 and 3 before 3.6.0. The pgsql module contains a use after free vulnerability. EPSS estimates a 2.69% chance of exploitation in the next 30 days.

Description

An issue was discovered in InspIRCd 2 before 2.0.29 and 3 before 3.6.0. The pgsql module contains a use after free vulnerability. When combined with the sqlauth or sqloper modules, this vulnerability can be used for remote crashing of an InspIRCd server by any user able to connect to a server.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

2.69%

83.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Inspircd	Inspircd	>= 2.0, < 2.0.29
Inspircd	Inspircd	>= 3.0, < 3.6.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://docs.inspircd.org/security/2020-01/Vendor Advisory
https://github.com/inspircd/inspircd/compare/426d1c8...b3f1db9Patch, Third Party Advisory
https://github.com/inspircd/inspircd/compare/v2.0.28...07d7deaPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00015.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2020/dsa-4764Third Party Advisory
https://docs.inspircd.org/security/2020-01/Vendor Advisory
https://github.com/inspircd/inspircd/compare/426d1c8...b3f1db9Patch, Third Party Advisory
https://github.com/inspircd/inspircd/compare/v2.0.28...07d7deaPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00015.htmlMailing List, Third Party Advisory
https://www.debian.org/security/2020/dsa-4764Third Party Advisory

Timeline

Published: Sep 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25269?

How severe is CVE-2020-25269?

CVE-2020-25269 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.69% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25269?

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-2020-25269?

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

Scan your code now

Source: NVD / NIST