How severe is CVE-1999-1305?

CVE-1999-1305 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-1999-1305 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1305?

CVE-1999-1305 primarily affects Sco Open Desktop. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-1305?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-1999-1305 published?

CVE-1999-1305 was published on 1994-11-30 and last updated on 2026-06-16.

CVE-1999-1305

CVE-1999-1305 is a high-severity vulnerability in Sco Open Desktop with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sco Open Desktop
Published: 1994-11-30
Last modified: 2026-06-16

Description

Vulnerability in "at" program in SCO UNIX 4.2 and earlier allows local users to gain root access.

Frequently asked questions

What is CVE-1999-1305?: Vulnerability in "at" program in SCO UNIX 4.2 and earlier allows local users to gain root access.
How severe is CVE-1999-1305?: CVE-1999-1305 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-1999-1305 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1305?: CVE-1999-1305 primarily affects Sco Open Desktop. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-1305?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-1305 published?: CVE-1999-1305 was published on 1994-11-30 and last updated on 2026-06-16.

References

http://ciac.llnl.gov/ciac/bulletins/f-05.shtml

Affected products (9)

cpe:2.3:o:sco:open_desktop:2.0:*:*:*:*:*:*:*
cpe:2.3:o:sco:open_desktop:3.0:*:*:*:*:*:*:*
cpe:2.3:o:sco:open_desktop_lite:3.0:*:*:*:*:*:*:*
cpe:2.3:o:sco:openserver_enterprise_system:3.0:*:*:*:*:*:*:*
cpe:2.3:o:sco:openserver_network_system:3.0:*:*:*:*:*:*:*
cpe:2.3:o:sco:unix:*:*:*:*:*:*:*:*
cpe:2.3:o:sco:unix:3.2:*:*:*:*:*:*:*
cpe:2.3:o:sco:unix:4.0:*:*:*:*:*:*:*
cpe:2.3:o:sco:unix:4.1:*:*:*:*:*:*:*

More vulnerabilities in Sco Open Desktop

CVE-1999-0009 — Critical (CVSS 10.0): Inverse query buffer overflow in BIND 4.9 and BIND 8 Releases.
CVE-1999-1138 — Critical (CVSS 10.0): SCO UNIX System V/386 Release 3.2, and other SCO products, installs the home directories (1) /tmp for the dos user, and…
CVE-1999-0017 — High (CVSS 7.5): FTP servers can allow an attacker to connect to arbitrary ports on machines other than the FTP client, aka FTP bounce.
CVE-1999-1185 — High (CVSS 7.2): Buffer overflow in SCO mscreen allows local users to gain root privileges via a long terminal entry (TERM) in the…
CVE-1999-1209 — High (CVSS 7.2): Vulnerability in scoterm in SCO OpenServer 5.0 and SCO Open Desktop/Open Server 3.0 allows local users to gain root…
CVE-1999-0033 — High (CVSS 7.2): Command execution in Sun systems via buffer overflow in the at program.

All CVEs affecting Sco Open Desktop →