An issue was discovered in illumos before 2020-10-22, as used in OmniOS before r151030by…
Priority MEDIUM 45CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
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.
Why it matters now
EPSS 0.01441 73rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:illumos:illumos:*:*:*:*:*:*:*:* | before 2020-10-22 | Vulnerable | illumos |
| cpe:2.3:o:joyent:smartos:*:*:*:*:*:*:*:* | before 20201022 | Vulnerable | Joyent |
| cpe:2.3:o:omniosce:omnios:*:*:*:*:community:*:*:* | before r151030by; r151032 – r151032ay | Vulnerable | Omniosce |
| cpe:2.3:o:omniosce:omnios:*:*:*:*:*:*:*:* | r151034 to before r151034y | Vulnerable | Omniosce |
- cpe:2.3:o:illumos:illumos:*:*:*:*:*:*:*:* Versions before 2020-10-22 Vulnerable ·illumos
- cpe:2.3:o:joyent:smartos:*:*:*:*:*:*:*:* Versions before 20201022 Vulnerable ·Joyent
- cpe:2.3:o:omniosce:omnios:*:*:*:*:community:*:*:* Versions before r151030by; r151032 – r151032ay Vulnerable ·Omniosce
- cpe:2.3:o:omniosce:omnios:*:*:*:*:*:*:*:* Versions r151034 to before r151034y Vulnerable ·Omniosce
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-27678
- 2026-10-03 Alias added: GHSA-q226-j4q4-9wc9
References
Sources
- CVE-2020-27678 · CVE Program
- CVE-2020-27678 · NVD
- FIRST EPSS
- GHSA-q226-j4q4-9wc9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences