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Vulnerabilities

Vulnerability · CVE-2020-17530

Apache Struts Remote Code Execution Vulnerability

Published Dec 10, 2020 · catalog updated Jun 16, 2026 · Apache Struts

Patch now

CVE-2020-17530 is in the CISA known-exploited catalog, due May 3, 2022. Confirm Apache Struts against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
95.93%
Remediation
Remediation guidance
Affected products
cpe apache/struts · cpe oracle/business intelligence · cpe oracle/communications diameter intelligence hub · cpe oracle/communications policy management · vendor Apache Struts

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. Initial-access exploit intelligence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apache/strutsversion unspecified
  • cpe oracle/business intelligence12.2.1.3.0
  • cpe oracle/business intelligence12.2.1.4.0
  • cpe oracle/communications diameter intelligence hub8.0.0
  • cpe oracle/communications diameter intelligence hub8.1.0
  • cpe oracle/communications diameter intelligence hub8.2.0
  • cpe oracle/communications diameter intelligence hub8.2.3
  • cpe oracle/communications policy management12.5.0
  • vendor Apache Strutsversion unspecified

How to fix CVE-2020-17530

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2020-17530 is in the CISA known-exploited catalog, due May 3, 2022. Confirm Apache Struts against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with 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. Apply updates per vendor instructions.

What should an analyst verify?

CWE-917: Expression Language Injection. EPSS 95.93%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 10, 2020 · Catalog

    Detected

    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.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. May 3, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2020-17530

    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.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2020-17530

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-17530

    30-day exploitation probability 95.9%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_multi/http/struts2_multi_eval_ognl

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/160721/Apache-Struts-2-Forced-Multi-OGNL-Evaluation.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • VulnCheck KEVConfirmed exploitationCVE-2020-17530

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.