Unisys ALGOL Compiler 58.1 before 58.1a.15, 59.1 before 59.1a.9, and 60.0 before 60.0a.5…
Priority LOW 38Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Unisys ALGOL Compiler 58.1 before 58.1a.15, 59.1 before 59.1a.9, and 60.0 before 60.0a.5 can emit invalid code sequences under rare circumstances related to syntax. The resulting code could, for example, trigger a system fault or adversely affect confidentiality, integrity, and availability.
Why it matters now
EPSS 0.00394 33rd 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:unisys:algol_compiler:*:*:*:*:*:*:*:* | 58.1 to before 58.1a.15; 59.1 to before 59.1a.9; 60.0 to before 60.0a.5 | Vulnerable | Unisys |
- cpe:2.3:a:unisys:algol_compiler:*:*:*:*:*:*:*:* Versions 58.1 to before 58.1a.15; 59.1 to before 59.1a.9; 60.0 to before 60.0a.5 Vulnerable ·Unisys
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-12647
- 2026-10-03 Alias added: GHSA-jvc8-5wqv-h35h
References
Sources
- CVE-2020-12647 · CVE Program
- CVE-2020-12647 · NVD
- FIRST EPSS
- GHSA-jvc8-5wqv-h35h · 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