CVE-2020-7460
mediumpriority · track · 28EPSS 0.007 · 53 %ileEUUSEPSS · scored 2026-10-27
In FreeBSD 12.1-STABLE before r363918, 12.1-RELEASE before p8, 11.4-STABLE before r363919, 11.4-RELEASE before p2, and 11.3-RELEASE before p12, the sendmsg system call in the compat32 subsystem on 64-bit platforms has a time-of-check to time-of-use vulnerability allowing a mailcious userspace program to modify control message headers after they were validation.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.4–7
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
- n/a FreeBSD≤ FreeBSD 12.1-RELEASE before p8, 11.4-RELEASE before p2, 11.3-RELEASE before p12enisa_euvdEU
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (12)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2020-7460cnnvd
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:23.sendmsg.asccnnvd
- https://security.netapp.com/advisory/ntap-20200821-0005/cnnvd
- https://vigilance.fr/vulnerability/FreeBSD-privilege-escalation-via-sendmsg-33029cnnvd
- https://www.freebsd.org/security/advisories/FreeBSD-SA-20:23.sendmsg.ascPatchcnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-20-949/cnnvd
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:23.sendmsg.ascenisa_euvd
- https://security.netapp.com/advisory/ntap-20200821-0005/enisa_euvd
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