Vulnerability in "at" program in SCO UNIX 4.2 and earlier allows local users to gain root access.
Priority LOW 32Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Vulnerability in "at" program in SCO UNIX 4.2 and earlier allows local users to gain root access.
Why it matters now
EPSS 0.00345 28th 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 · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:sco:open_desktop:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Sco |
| cpe:2.3:o:sco:open_desktop:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Sco |
| cpe:2.3:o:sco:open_desktop_lite:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Sco |
| cpe:2.3:o:sco:openserver_enterprise_system:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Sco |
| cpe:2.3:o:sco:openserver_network_system:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Sco |
| cpe:2.3:o:sco:unix:*:*:*:*:*:*:*:* | up to 4.2 | Vulnerable | Sco |
| cpe:2.3:o:sco:unix:3.2:*:*:*:*:*:*:* | 3.2 | Vulnerable | Sco |
| cpe:2.3:o:sco:unix:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Sco |
| cpe:2.3:o:sco:unix:4.1:*:*:*:*:*:*:* | 4.1 | Vulnerable | Sco |
- cpe:2.3:o:sco:open_desktop:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Sco
- cpe:2.3:o:sco:open_desktop:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Sco
- cpe:2.3:o:sco:open_desktop_lite:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Sco
- cpe:2.3:o:sco:openserver_enterprise_system:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Sco
- cpe:2.3:o:sco:openserver_network_system:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Sco
- cpe:2.3:o:sco:unix:*:*:*:*:*:*:*:* Versions up to 4.2 Vulnerable ·Sco
- cpe:2.3:o:sco:unix:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Sco
- cpe:2.3:o:sco:unix:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Sco
- cpe:2.3:o:sco:unix:4.1:*:*:*:*:*:*:* Versions 4.1 Vulnerable ·Sco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-1999-1305
- 2026-10-03 Alias added: GHSA-fr5w-v8vm-m563
References
Advisory 1
More Sco Open Desktop vulnerabilities
- TI-1999-00009 Inverse query buffer overflow in BIND 4.9 and BIND 8 Releases. CVSS 2.0HIGH 10.0
- TI-1999-00126 Oversized ICMP ping packets can result in a denial of service, aka Ping o' Death. CVSS 2.0MEDIUM 5.0
- TI-1999-01086 SCO UNIX System V/386 Release 3.2, and other SCO products, installs the home directories… CVSS 2.0HIGH 10.0
- TI-1999-00017 FTP servers can allow an attacker to connect to arbitrary ports on machines other than the FTP client, aka FTP bounce. CVSS 2.0HIGH 7.5
- TI-1999-01133 Buffer overflow in SCO mscreen allows local users to gain root privileges via a long… CVSS 2.0HIGH 7.2
- TI-1999-00032 Command execution in Sun systems via buffer overflow in the at program. CVSS 2.0HIGH 7.2
Sources
- CVE-1999-1305 · CVE Program
- CVE-1999-1305 · NVD
- FIRST EPSS
- GHSA-fr5w-v8vm-m563 · GitHub Advisory Database · CC BY 4.0
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