CVE-2020-1957

CRITICAL EXPLOITED

Apache Shiro < 1.5.2 - Authentication Bypass via Spring Dynamic Controllers

Title source: llm

Exploitation Summary

CVE-2020-1957 has been observed exploited in the wild (reported by VulnCheck KEV).

Description

Apache Shiro before 1.5.2, when using Apache Shiro with Spring dynamic controllers, a specially crafted request may cause an authentication bypass.

References (7)

Core 7

Core References

Mailing List, Vendor Advisory x_refsource_misc

https://lists.apache.org/thread.html/r17f371fc89d34df2d0c8131473fbc68154290e1be238895648f5a1e6%40%3Cdev.shiro.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/rc64fb2336683feff3580c3c3a8b28e80525077621089641f2f386b63%40%3Ccommits.camel.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/rb3982edf8bc8fcaa7a308e25a12d294fb4aac1f1e9d4e14fda639e77%40%3Cdev.geode.apache.org%3E

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

https://lists.debian.org/debian-lts-announce/2020/04/msg00014.html

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/rc8b39ea8b3ef71ddc1cd74ffc866546182683c8adecf19c263fe7ac0%40%3Ccommits.shiro.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/r2d2612c034ab21a3a19d2132d47d3e4aa70105008dd58af62b653040%40%3Ccommits.shiro.apache.org%3E

Mailing List mailing-list x_refsource_mlist

https://lists.apache.org/thread.html/rab1972d6b177f7b5c3dde9cfb0a40f03bca75f0eaf1d8311e5762cb3%40%3Ccommits.shiro.apache.org%3E

Scores

CVSS v3 9.8

EPSS 0.8860

EPSS Percentile 99.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2021-04-12

Status published

Products (3)

apache/shiro < 1.5.2

debian/debian_linux 8.0

org.apache.shiro/shiro-core 0 - 1.5.2Maven

Published Mar 25, 2020

Tracked Since Feb 18, 2026