CVE-2021-41500 is a denial-of-service vulnerability affecting cvxopt versions up to 1.2.6, including its Fedora project distributions. The flaw stems from an incomplete string comparison within several cvxopt.cholmod APIs, allowing attackers to trigger a denial of service by crafting malicious Capsule objects. This high-severity vulnerability (CVSS 7.5) is easily exploitable over a network with low attack complexity and no user interaction required. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.2.6CPE matchmatch criteria | cpe:2.3:a:cvxopt_project:cvxopt:*:*:*:*:*:python:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Incorrect Comparison in cvxopt
Jan 7, 2022Incomplete string comparison vulnerability exits in cvxopt.org cvxop <= 1.2.6 in APIs (cvxopt.cholmod.diag, cvxopt.cholmod.getfactor, cvxopt.cholmod.solve, cvxopt.cholmod.spsolve), which allows attackers to conduct Denial of Service attacks by construct fake Capsule objects.
Dec 14, 2021