CVE-2021-45115 is a denial-of-service vulnerability affecting Django versions 2.2.x, 3.2.x, and 4.0.x. It stems from excessive processing overhead in the UserAttributeSimilarityValidator when evaluating large passwords, allowing an attacker to trigger a DoS by submitting an artificially large password during user registration. This vulnerability has a CVSS score of 7.5 (High), indicating it can be exploited remotely with low complexity and without user interaction, leading to high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.2, < 2.2.26CPE matchmatch criteria | cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:* | ||
>= 3.2, < 3.2.11CPE matchmatch criteria | cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:* | ||
>= 4.0, < 4.0.1CPE matchmatch criteria | cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:* | ||
35CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |
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.