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CVE-1999-1135

20
FAUCET Score

CVE-1999-1135 describes a local privilege escalation vulnerability in VUE 3.0 within HP-UX 9.x, allowing local users to gain root access. With a CVSS score of 7.2 (HIGH), this flaw presents a critical risk due to its low attack complexity and complete compromise of confidentiality, integrity, and availability. While patches PHSS_4994 and PHSS_5438 addressed this issue, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this legacy vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
9CPE matchmatch criteria
cpe:2.3:o:hp:hp-ux:9:*:*:*:*:*:*:*

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
0.51%
Probability of exploitation in next 30 days
EPSS Percentile
40.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0051 is in the 61st percentile among its peer group of 3,241 CVEs.

Social Chatter

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

packetstorm.securify.com / advisories/hpalert/027
exchange.xforce.ibmcloud.com / vulnerabilities/2284