CVE-2020-17530

Name: CVE-2020-17530
Creator: NVD / NIST
Published: 2020-12-11T02:15:10.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 95.92%

Last modified Jun 17, 2026

CVE-2020-17530 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 - Struts 2.5.25.. CISA has confirmed active exploitation in the wild. EPSS estimates a 95.92% chance of exploitation in the next 30 days.

Description

Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 - Struts 2.5.25.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

95.92%

99.9th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by May 3, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apache	Struts	>= 2.0.0, < 2.5.30
Oracle	Business Intelligence	12.2.1.3.0
Oracle	Business Intelligence	12.2.1.4.0
Oracle	Communications Diameter Intelligence Hub	8.0.0
Oracle	Communications Diameter Intelligence Hub	8.1.0
Oracle	Communications Diameter Intelligence Hub	8.2.0
Oracle	Communications Diameter Intelligence Hub	8.2.3
Oracle	Communications Policy Management	12.5.0
Oracle	Communications Pricing Design Center	12.0.0.3.0
Oracle	Financial Services Data Integration Hub	8.0.3
Oracle	Financial Services Data Integration Hub	8.0.6
Oracle	Hospitality Opera 5	5.6
Oracle	Mysql Enterprise Monitor	8.0.23

References

http://jvn.jp/en/jp/JVN43969166/index.htmlThird Party Advisory
http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.htmlThird Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2022/04/12/6Mailing List, Third Party Advisory
https://cwiki.apache.org/confluence/display/WW/S2-061Vendor Advisory
https://security.netapp.com/advisory/ntap-20210115-0005/Patch, Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
http://jvn.jp/en/jp/JVN43969166/index.htmlThird Party Advisory
http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.htmlThird Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2022/04/12/6Mailing List, Third Party Advisory
https://cwiki.apache.org/confluence/display/WW/S2-061Vendor Advisory
https://security.netapp.com/advisory/ntap-20210115-0005/Patch, Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17530US Government Resource

Timeline

Published: Dec 11, 2020
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2020-17530?

Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected software : Apache Struts 2.0.0 - Struts 2.5.25.

How severe is CVE-2020-17530?

CVE-2020-17530 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 95.92% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2020-17530?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-17530?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST