Apache Struts up to 2.5.25 OGNL Evaluation expression language injection

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apache Struts up to 2.5.25. The impacted element is an unknown function of the component OGNL Evaluation. The manipulation results in an unknown weakness. This vulnerability was named CVE-2020-17530. The attack may be performed from remote. In addition, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apache Struts up to 2.5.25 (Programming Tool Software). Affected is an unknown part of the component OGNL Evaluation. CWE is classifying the issue as CWE-917. The product constructs all or part of an expression language (EL) statement in a framework such as a Java Server Page (JSP) using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended EL statement before it is executed. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 12/11/2020. The advisory is shared for download at jvn.jp. This vulnerability is traded as CVE-2020-17530. Technical details are unknown but an exploit is available.

It is declared as attacked. This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 05/03/2022:

Apply updates per vendor instructions.

Upgrading to version 2.5.26 eliminates this vulnerability.

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Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Expression language injection
CWE: CWE-917 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Struts 2.5.26

Timelineinfo

08/12/2020 🔍
12/11/2020 +121 days 🔍
12/11/2020 +0 days 🔍
02/06/2025 +1518 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: jvn.jp
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-17530 (🔍)
GCVE (CVE): GCVE-0-2020-17530
GCVE (VulDB): GCVE-100-166008
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/11/2020 09:27
Updated: 02/06/2025 23:41
Changes: 12/11/2020 09:27 (36), 12/15/2020 05:33 (3), 12/15/2020 19:41 (2), 04/21/2024 05:31 (26), 09/09/2024 22:29 (3), 02/06/2025 23:41 (24)
Complete: 🔍
Committer: scallier
Cache ID: 216::103

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