mod_nss 1.0.8 and earlier, when NSSVerifyClient is set to none for the server/vhost context, does not enforce the NSSVerifyClient setting in the directory context, which allows remote attackers to bypass intended access restrictions.
CVE-2013-4566 is a security vulnerability that . Impacting 2 products from mod_nss_project, from redhat organizations running these solutions should prioritize assessment and patching.
Documented in 2013, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.
2013-12-12T18:55:10.947
2025-04-11T00:51:21.963
Deferred
CVSSv2: 4.0 (MEDIUM)
AV:N/AC:H/Au:N/C:P/I:P/A:N
4.9
4.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | mod_nss_project | mod_nss | ≤ 1.0.8 | Yes |
| Application | mod_nss_project | mod_nss | 1.0 | Yes |
| Application | mod_nss_project | mod_nss | 1.0.2 | Yes |
| Application | mod_nss_project | mod_nss | 1.0.3 | Yes |
| Application | mod_nss_project | mod_nss | 1.0.4 | Yes |
| Application | mod_nss_project | mod_nss | 1.0.5 | Yes |
| Application | mod_nss_project | mod_nss | 1.0.6 | Yes |
| Application | mod_nss_project | mod_nss | 1.0.7 | Yes |
| Operating System | redhat | enterprise_linux | 5 | Yes |
| Operating System | redhat | enterprise_linux | 6.0 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mod_nss_project's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.