CVE-2007-2553

Exp

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.

Published: 2007-05-09 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-2553 is rated High Exploit Risk (63.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.37%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2007-2553

EDB-ID Source Kind Published Link
30017 exploit_db edb 2007-05-08 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2007-2553

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-19 0.32% 0.37% +0.05%
2 2025-03-17 0.04% 0.32% +0.28%
3 2023-03-07 0.04%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-2553

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
3.9 10.0 [email protected]

Weakness enumeration for CVE-2007-2553

Affected software / configurations for CVE-2007-2553

Vendor Product Version Raw CPE
hp tru64 5.1a cpe:2.3:o:hp:tru64:5.1a:pk6:*:*:*:*:*:*
hp tru64 5.1b3 cpe:2.3:o:hp:tru64:5.1b3:*:*:*:*:*:*:*
hp tru64 5.1b4 cpe:2.3:o:hp:tru64:5.1b4:*:*:*:*:*:*:*

References for CVE-2007-2553

cvelogic Threat Intelligence