CVEs / CVE-2020-17530
CVE-2020-17530: Apache Struts Remote Code Execution Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 96.2% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Forced Object-Graph Navigation Language (OGNL) evaluation in Apache Struts, when evaluated on raw user input in tag attributes, can lead to remote code execution.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Apache Software Foundation Apache Struts | Struts 2.0.0 - Struts 2.5.25 | — |
| Product | Affected | Fixed in |
|---|---|---|
| org.apache.struts:struts2-core (Maven) | from 2.0.0, before 2.5.26 | 2.5.26 |
Package versions from GHSA-jc35-q369-45pv.
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 3 May 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-917 |
References
- CVE-2020-17530 on NVD
- CVE-2020-17530 in the CISA KEV catalog
- CVE-2020-17530 on OSV
- http://jvn.jp/en/jp/JVN43969166/index.html Third Party Advisory
- http://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.html Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2022/04/12/6 Mailing List, Third Party Advisory
- https://cwiki.apache.org/confluence/display/WW/S2-061 Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210115-0005/ Patch, Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.html Patch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.html Patch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.html Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.html Patch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2021.html Patch, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17530 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.