CVE-2007-5502

The PRNG implementation for the OpenSSL FIPS Object Module 1.1.1 does not perform auto-seeding during the FIPS self-test, which generates random data that is more predictable than expected and makes it easier for attackers to bypass protection mechanisms that rely on the randomness.

Published: 2007-12-01 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-5502 is rated Moderate Risk (55.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.31%). EPSS rose +1.93% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2007-5502

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 2026-06-15 0.38% 2.31% +1.93%
2 2026-01-06 0.54% 0.38% -0.16%
3 2025-03-30 — 0.54% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-5502

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2007-5502

OS Trackers for CVE-2007-5502

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2007-5502
ubuntu negligible CVE-2007-5502 negligible priority: Ubuntu including 1 source packages (openssl), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): not-affected 4, needs-triage 1. https://ubuntu.com/security/CVE-2007-5502

Vendor comments (NVD) for CVE-2007-5502

  • Red Hat (2007-12-03T00:00:00)

    Not vulnerable. This vulnerability only affected the OpenSSL FIPS Object Module which is not enabled or used by OpenSSL in Red Hat Enterprise Linux 2.1, 3, 4, or 5.

Affected software / configurations for CVE-2007-5502

Vendor Product Version Raw CPE
openssl fips_object_module 1.1.1 cpe:2.3:a:openssl:fips_object_module:1.1.1:*:*:*:*:*:*:*

References for CVE-2007-5502

cvelogic Threat Intelligence