How severe is CVE-2007-2553?

CVE-2007-2553 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2007-2553 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-2553?

CVE-2007-2553 primarily affects Hp Tru64. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-2553?

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

When was CVE-2007-2553 published?

CVE-2007-2553 was published on 2007-05-09 and last updated on 2026-06-16.

CVE-2007-2553

CVE-2007-2553 is a high-severity vulnerability in Hp Tru64 with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hp Tru64
Published: 2007-05-09
Last modified: 2026-06-16

Description

Unspecified vulnerability in dop in HP Tru64 UNIX 5.1B-4, 5.1B-3, and 5.1A PK6 allows local users to gain privileges via a large amount of data in the environment, as demonstrated by a long environment variable.

Frequently asked questions

What is CVE-2007-2553?: Unspecified vulnerability in dop in HP Tru64 UNIX 5.1B-4, 5.1B-3, and 5.1A PK6 allows local users to gain privileges via a large amount of data in the environment, as demonstrated by a long environment variable.
How severe is CVE-2007-2553?: CVE-2007-2553 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2007-2553 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-2553?: CVE-2007-2553 primarily affects Hp Tru64. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-2553?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2007-2553 published?: CVE-2007-2553 was published on 2007-05-09 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:o:hp:tru64:5.1a:pk6:*:*:*:*:*:*
cpe:2.3:o:hp:tru64:5.1b3:*:*:*:*:*:*:*
cpe:2.3:o:hp:tru64:5.1b4:*:*:*:*:*:*:*

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CVE-2002-1604 — High (CVSS 7.5): Multiple buffer overflows in HP Tru64 UNIX allow local and possibly remote attackers to execute arbitrary code via a…
CVE-2002-1605 — High (CVSS 7.5): Buffer overflow in HP Tru64 UNIX 5.1a, 5.1, 5.0a, 4.0g, and 4.0f allows attackers to execute arbitrary code via a long…
CVE-2008-4414 — High (CVSS 7.2): Unspecified vulnerability in the AdvFS showfile command in HP Tru64 UNIX 5.1B-3 and 5.1B-4 allows local users to gain…

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