Use After Free in Inspircd
CVE-2019-20918
An issue was discovered in InspIRCd 3 before 3.1.0. The silence module contains a use after free vulnerability. This vulnerability can be used for remote crashing of an InspIRCd server by any user able to fully connect to a server.
Vulnerability class: Use-After-Free
EPSS: 0.015 (71.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Inspircd
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-20918?
- CVE-2019-20918 is a medium-severity vulnerability in Inspircd, classified under Use After Free. CVSS score: 6.5/10. Published 2020-09-11.
- How severe is CVE-2019-20918?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-20918 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.