CVE-2021-29629: freebsd Improper Input Validation
Vulnerability summary
CVE-2021-29629 is a high (CVSS 7.5) Improper Input Validation vulnerability in freebsd. EPSS estimates a 1.16% chance of exploitation in the next 30 days, higher than 66.8% of scored vulnerabilities.
Timeline
- 28-05-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
In FreeBSD 13.0-STABLE before n245765-bec0d2c9c841, 12.2-STABLE before r369859, 11.4-STABLE before r369866, 13.0-RELEASE before p1, 12.2-RELEASE before p7, and 11.4-RELEASE before p10, missing message validation in libradius(3) could allow malicious clients or servers to trigger denial of service in vulnerable servers or clients respectively.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.16%
Chance of exploitation in the next 30 days
Percentile
67%
Versus all other CVEs
30-day change
0.00 pp
From 1.16% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Freebsd1 product
- freebsdEOL11.4 | 11.4:beta1 | 11.4:p1 | 11.4:p2 | 11.4:p3 | 11.4:p4 | 11.4:p5 | 11.4:p6 | 11.4:p7 | 11.4:p8 | 11.4:p9 | 11.4:rc1 | 11.4:rc2 | 12.2 | 12.2:beta1-p1 | 12.2:p1 | 12.2:p2 | 12.2:p3 | 12.2:p4 | 12.2:p5 | 12.2:p6 | 13.0 | 13.0:beta3-p1 | 13.0:rc3 | 13.0:rc4 | 13.0:rc5-p1
Ubuntu1 product
- dacsAll versions (No fix recorded)
2 vendors · 2 products
References
4 links- security.freebsd.org/advisories/FreeBSD-SA-21:12.libradius.ascX Refsource MISCREPORTMitigationVendor Advisory