Vulnerability Monitor

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CVE-2020-25269

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 2 products from inspircd, from debian organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-09-11T05:15:12.607

Last Modified

2024-11-21T05:17:49.153

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

8.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	inspircd	inspircd	< 2.0.29	Yes
Application	inspircd	inspircd	< 3.6.0	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://docs.inspircd.org/security/2020-01/ Vendor Advisory ([email protected])
https://github.com/inspircd/inspircd/compare/426d1c8...b3f1db9 Patch, Third Party Advisory ([email protected])
https://github.com/inspircd/inspircd/compare/v2.0.28...07d7dea Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/09/msg00015.html Mailing List, Third Party Advisory ([email protected])
https://www.debian.org/security/2020/dsa-4764 Third Party Advisory ([email protected])
https://docs.inspircd.org/security/2020-01/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/inspircd/inspircd/compare/426d1c8...b3f1db9 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/inspircd/inspircd/compare/v2.0.28...07d7dea Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/09/msg00015.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2020/dsa-4764 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For inspircd's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.