Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-1999-1252

18
FAUCET Score

CVE-1999-1252 describes a critical vulnerability in SCO UnixWare versions 2.0.x and 2.1.0, specifically within a system call, allowing local users to gain unauthorized access to arbitrary files and escalate privileges to root. With a CVSS score of 7.2 (HIGH), this flaw is easily exploitable locally with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its age and severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.xCPE matchmatch criteria
cpe:2.3:o:sco:unixware:2.0.x:*:*:*:*:*:*:*
2.1.0CPE matchmatch criteria
cpe:2.3:o:sco:unixware:2.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 39th percentile among its peer group of 3,241 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, 0.0 Mastodon, and 0.5 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.96:02a
exchange.xforce.ibmcloud.com / vulnerabilities/1966
cert.org / vendor_bulletins/VB-96.15.sco
PatchThird Party AdvisoryUS Government Resource