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CVE-1999-0836

35
FAUCET Score

CVE-1999-0836 describes a local privilege escalation vulnerability in UnixWare's uidadmin utility, affecting various versions of SCO UnixWare. This flaw allows local users to modify arbitrary files through a symlink attack, posing a critical risk with a CVSS score of 10.0 due to its network-accessible attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While not actively exploited in the wild or on CISA's KEV catalog, exploit code exists on ExploitDB, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:o:sco:unixware:7.0:*:*:*:*:*:*:*
7.0.1CPE matchmatch criteria
cpe:2.3:o:sco:unixware:7.0.1:*:*:*:*:*:*:*
7.1CPE matchmatch criteria
cpe:2.3:o:sco:unixware:7.1:*:*:*:*:*:*:*
7.1.1CPE matchmatch criteria
cpe:2.3:o:sco:unixware:7.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.13%
Probability of exploitation in next 30 days
EPSS Percentile
86.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-19654 · Dec 2, 1998
This CVE's current EPSS score of 0.0313 is in the 76th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

ftp.sco.com / SSE/security_bulletins/SB-99.22a
securityfocus.com / bid/842
securityfocus.com / templates/archive.pike