CVE-2020-27678 json
An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by, r151032ay, and r151034y and SmartOS before 202010…
published 2020-10-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-20182
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- illumos illumos 2020-10-22
- joyent smartos 20201022
- omniosce omnios r151030by, r151034y
Exploit prediction
1.44% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
github.com
/illumos/illumos-gate/commit/1d276e0b382cf066dae93640746d8b4c54d15452
patch, third-party-advisory
Sources
- CVE List CVE-2020-27678
- NVD CVE-2020-27678
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.