How severe is CVE-1999-1324?

CVE-1999-1324 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-1999-1324 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1324?

CVE-1999-1324 affects Hp Openvms Vax. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1324?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-1999-1324 published?

CVE-1999-1324 was published on 1999-12-31 and last updated on 2026-06-16.

CVE-1999-1324

CVE-1999-1324 is a critical-severity vulnerability in Hp Openvms Vax with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Hp Openvms Vax
Published: 1999-12-31
Last modified: 2026-06-16

Description

VAXstations running Open VMS 5.3 through 5.5-2 with VMS DECwindows or MOTIF do not properly disable access to user accounts that exceed the break-in limit threshold for failed login attempts, which makes it easier for attackers to conduct brute force password guessing.

Frequently asked questions

What is CVE-1999-1324?: VAXstations running Open VMS 5.3 through 5.5-2 with VMS DECwindows or MOTIF do not properly disable access to user accounts that exceed the break-in limit threshold for failed login attempts, which makes it easier for attackers to conduct brute force password guessing.
How severe is CVE-1999-1324?: CVE-1999-1324 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-1999-1324 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1324?: CVE-1999-1324 affects Hp Openvms Vax. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1324?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-1999-1324 published?: CVE-1999-1324 was published on 1999-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:hp:openvms_vax:*:*:*:*:*:*:*:*

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