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CVE-2001-1264

27
FAUCET Score

CVE-2001-1264 describes a critical privilege escalation vulnerability in the mkacct utility within HP-UX 11.04 when running Virtualvault Operating System (VVOS) versions 4.0 and 4.5. This vulnerability carries a maximum CVSS score of 10.0, indicating a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. Despite its age and high severity, there is no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, nor significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
11.04CPE matchmatch criteria
cpe:2.3:o:hp:hp-ux:11.04:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:hp:vvos:4.0:*:*:*:*:*:*:*
4.5CPE matchmatch criteria
cpe:2.3:o:hp:vvos:4.5:*:*:*:*:*:*:*

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
3.95%
Probability of exploitation in next 30 days
EPSS Percentile
89.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0395 is in the 81st percentile among its peer group of 51,455 CVEs.

Social Chatter

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

ciac.llnl.gov / ciac/bulletins/l-119.shtml
ExploitPatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/6867
kb.cert.org / vuls/id/420475
US Government Resource
securityfocus.com / advisories/3459
PatchVendor Advisory
securityfocus.com / bid/3072