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CVE-1999-1142

18
FAUCET Score

CVE-1999-1142 describes a privilege escalation vulnerability in SunOS 4.1.2 and earlier. Local users could exploit this by manipulating "LD_*" environment variables when executing dynamically linked setuid/setgid programs like login, su, or sendmail, allowing them to gain elevated privileges. This vulnerability carries a high severity CVSS score of 7.2, indicating a local attack vector with low complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its age and severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.1.2CPE matchmatch criteria
cpe:2.3:o:sun:sunos:*:*:*:*:*:*:*:*

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
31.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 41st 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

exchange.xforce.ibmcloud.com / vulnerabilities/3152
sunsolve.sun.com / pub-cgi/retrieve.pl
cert.org / advisories/CA-1992-11.html
PatchThird Party AdvisoryUS Government Resource