CVE-2016-0736 is a padding oracle vulnerability affecting Apache HTTP Server versions 2.4.0 to 2.4.23, specifically within the mod_session_crypto module. This flaw arises because the module used insecure encryption modes (like CBC or ECB) without authenticated encryption, making it susceptible to attacks that could decrypt session data. With a CVSS score of 7.5 (HIGH), this vulnerability is remotely exploitable with low attack complexity, potentially leading to a complete compromise of confidentiality. While not listed on the KEV catalog, public exploit code exists (EDB-40961), and it has received some community discussion and media coverage, indicating awareness of its potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.4.0CPE matchmatch criteria | cpe:2.3:a:apache:http_server:2.4.0:*:*:*:*:*:*:* | ||
2.4.1CPE matchmatch criteria | cpe:2.3:a:apache:http_server:2.4.1:*:*:*:*:*:*:* | ||
2.4.2CPE matchmatch criteria | cpe:2.3:a:apache:http_server:2.4.2:*:*:*:*:*:*:* | ||
2.4.3CPE matchmatch criteria | cpe:2.3:a:apache:http_server:2.4.3:*:*:*:*:*:*:* | ||
2.4.6CPE matchmatch criteria | cpe:2.3:a:apache:http_server:2.4.6:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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