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CVE-1999-1324

30
FAUCET Score

CVE-1999-1324 describes a vulnerability in VAXstations running Open VMS 5.3 through 5.5-2 with VMS DECwindows or MOTIF, where user accounts exceeding failed login attempt thresholds are not properly disabled, facilitating brute-force password guessing. This critical vulnerability has a CVSS score of 9.8, indicating a high potential for compromise of confidentiality, integrity, and availability, and can be exploited remotely with low attack complexity. Despite its age and high community discussion, there is no evidence of active exploitation, nor are there known public exploits in Metasploit, Nuclei, or ExploitDB.

Impacted Technologies

VendorProductVersion(s)CPE
>= 5.3, <= 5.5.2CPE matchmatch criteria
cpe:2.3:o:hp:openvms_vax:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.09%
Probability of exploitation in next 30 days
EPSS Percentile
86.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0309 is in the 78th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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/d-06.shtml
Broken LinkPatchThird Party AdvisoryUS Government ResourceVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/7225
Third Party AdvisoryVDB Entry