Apache Shiro up to 1.7.0 Spring Support improper authentication

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CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability classified as critical has been found in Apache Shiro up to 1.7.0. Affected is some unknown functionality of the component Spring Support. The manipulation with an unknown input leads to a weak authentication vulnerability. CWE is classifying the issue as CWE-287. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Apache Shiro before 1.7.1, when using Apache Shiro with Spring, a specially crafted HTTP request may cause an authentication bypass.

The weakness was shared 02/04/2021. The advisory is shared for download at lists.apache.org. This vulnerability is traded as CVE-2020-17523 since 08/12/2020. The exploitability is told to be easy. The attack can only be initiated within the local network. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/23/2021).

Upgrading to version 1.7.1 eliminates this vulnerability.

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CVSSv3infoedit

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Weak authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Economy: 🔍
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Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Shiro 1.7.1

Timelineinfoedit

08/12/2020 CVE assigned
02/04/2021 +176 days Advisory disclosed
02/04/2021 +0 days VulDB entry created
02/23/2021 +19 days VulDB last update

Sourcesinfoedit

Vendor: https://www.apache.org/

Advisory: lists.apache.org
Status: Confirmed

CVE: CVE-2020-17523 (🔒)

Entryinfoedit

Created: 02/04/2021 10:14 AM
Updated: 02/23/2021 12:18 PM
Changes: (5) source_cve_assigned source_cve_nvd_summary vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_tempscore
Complete: 🔍

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