CVE-2020-27678

9.8 criticalEPSS 1.4%

Critical (9.8). EPSS 1.4% chance of exploitation in the next 30 days.

An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 20201022. There is a buffer overflow in parse_user_name in lib/libpam/pam_framework.c.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2020-10-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

illumos:illumos
joyent:smartos
omniosce:omnios

References

https://github.com/illumos/illumos-gate/commit/1d276e0b382cf066dae93640746d8b4c54d15452
https://github.com/illumos/illumos-gate/commit/1d276e0b382cf066dae93640746d8b4c54d15452

Check your stack JSON