CVE-2021-29630

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-08-30 · updated 2026-06-17
Weakness: CWE-787

Description

In FreeBSD 13.0-STABLE before n246938-0729ba2f49c9, 12.2-STABLE before r370383, 11.4-STABLE before r370381, 13.0-RELEASE before p4, 12.2-RELEASE before p10, and 11.4-RELEASE before p13, the ggatec daemon does not validate the size of a response before writing it to a fixed-sized buffer allowing a malicious attacker in a privileged network position to overwrite the stack of ggatec and potentially execute arbitrary code.

Affected products

FreeBSD: 11.4, 11.4-p1, 11.4-p10, 11.4-p11, 11.4-p12, 11.4-p13 (+23)

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-21:14.ggatec.asc
https://security.netapp.com/advisory/ntap-20210923-0005/
https://security.FreeBSD.org/advisories/FreeBSD-SA-21:14.ggatec.asc
https://security.netapp.com/advisory/ntap-20210923-0005/

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