CVE-2018-16150 describes a cryptographic vulnerability in axTLS version 2.1.3 and earlier, specifically within the sig_verify() function in x509.c. This flaw allows remote attackers to forge PKCS#1 v1.5 signatures by not properly rejecting excess data after the hash value, enabling impersonation via fake X.509 certificates, especially when small public exponents are in use. The vulnerability has a CVSS score of 5.9 (MEDIUM), indicating a high impact on integrity with high attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.1.3CPE matchmatch criteria | cpe:2.3:a:axtls_project:axtls:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
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.