Authentication Bypass in Apache Shiro Products by Apache
CVE-2020-13933

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Shiro
Vendor
CVE Published:
17 August 2020

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 69%

What is CVE-2020-13933?

A security flaw in Apache Shiro prior to version 1.6.0 allows an attacker to craft a specific HTTP request that may bypass authentication mechanisms, potentially granting unauthorized access to sensitive application features and data.

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Affected Version(s)

Apache Shiro Apache Shiro before version 1.6.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-13933
Created by EXP-Docs

cve-2020-13933
Created by 0xkami

References

https://lists.apache.org/thread.html/r539f87706094e79c5da...
x_refsource_MISC
https://lists.apache.org/thread.html/r18b45d560d76c426081...
mailing-listx_refsource_MLIST
https://lists.apache.org/thread.html/r9ea6d8560d6354d4143...
mailing-listx_refsource_MLIST

EPSS Score

69% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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