CVE-2003-0993 describes a vulnerability in Apache HTTP Server versions prior to 1.3.30, specifically affecting mod_access on big-endian 64-bit platforms. This flaw prevents proper parsing of Allow/Deny rules using IP addresses without a netmask, potentially allowing remote attackers to bypass intended access restrictions. The vulnerability carries a CVSS score of 7.5, indicating high severity with network-based attacks, low complexity, and potential for partial confidentiality, integrity, and availability impacts. While there is no evidence of active exploitation, readily available exploit code, or inclusion in the KEV catalog, the vulnerability has garnered significant community discussion, suggesting awareness among security professionals.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.3CPE matchmatch criteria | cpe:2.3:a:apache:http_server:1.3:*:*:*:*:*:*:* | ||
1.3.1CPE matchmatch criteria | cpe:2.3:a:apache:http_server:1.3.1:*:*:*:*:*:*:* | ||
1.3.3CPE matchmatch criteria | cpe:2.3:a:apache:http_server:1.3.3:*:*:*:*:*:*:* | ||
1.3.4CPE matchmatch criteria | cpe:2.3:a:apache:http_server:1.3.4:*:*:*:*:*:*:* | ||
1.3.6CPE matchmatch criteria | cpe:2.3:a:apache:http_server:1.3.6:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.