CVE-2020-1957 describes a critical authentication bypass vulnerability affecting Apache Shiro versions prior to 1.5.2, specifically when integrated with Spring dynamic controllers. This flaw allows an unauthenticated attacker to craft a special request, bypassing security controls and potentially gaining full access to the system. With a CVSS score of 9.8 (CRITICAL) and an EPSS score indicating high exploitability, the impact includes complete compromise of confidentiality, integrity, and availability. Despite its severity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.5.2CPE matchmatch criteria | cpe:2.3:a:apache:shiro:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.