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CVE-1999-1088

18
FAUCET Score

CVE-1999-1088 describes a local privilege escalation vulnerability within the chsh command in HP-UX versions 9.X through 10.20. This flaw allows local users to gain elevated privileges on affected systems. With a CVSS score of 7.2 (HIGH), it presents a significant risk due to its low attack complexity and complete impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.02CPE matchmatch criteria
cpe:2.3:o:hp:hp-ux:*:*:*:*:*:*:*:*
9CPE matchmatch criteria
cpe:2.3:o:hp:hp-ux:9:*:*:*:*:*:*:*
10.00CPE matchmatch criteria
cpe:2.3:o:hp:hp-ux:10.00:*:*:*:*:*:*:*
10.01CPE matchmatch criteria
cpe:2.3:o:hp:hp-ux:10.01:*:*:*:*:*:*:*
10.10CPE matchmatch criteria
cpe:2.3:o:hp:hp-ux:10.10:*:*:*:*:*:*:*

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
40.4%
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

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

ciac.llnl.gov / ciac/bulletins/h-21.shtml
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/2012