CVE-2015-2721 is a vulnerability in Mozilla Network Security Services (NSS) that affects various Mozilla products like Firefox and Thunderbird, as well as other products using NSS. It allows man-in-the-middle attackers to bypass cryptographic protections, specifically by removing forward secrecy through blocking ServerKeyExchange messages, known as a "SMACK SKIP-TLS" issue. With a CVSS score of 4.3, this vulnerability has a medium attack complexity and could lead to partial integrity compromise without requiring authentication. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.0CPE matchmatch criteria | cpe:2.3:a:novell:suse_linux_enterprise_software_development_kit:12.0:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
14.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* | ||
15.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:N
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.