How severe is CVE-2019-0230?

CVE-2019-0230 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-0230 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 97% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0230?

CVE-2019-0230 primarily affects Apache Struts. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-0230?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-0230 published?

CVE-2019-0230 was published on 2020-09-14 and last updated on 2026-06-17.

CVE-2019-0230

CVE-2019-0230 is a critical-severity vulnerability in Apache Struts with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 97% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-1321.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 97% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Apache Struts
Published: 2020-09-14
Last modified: 2026-06-17

Description

Apache Struts 2.0.0 to 2.5.20 forced double OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution.

Frequently asked questions

What is CVE-2019-0230?: Apache Struts 2.0.0 to 2.5.20 forced double OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution.
How severe is CVE-2019-0230?: CVE-2019-0230 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-0230 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 97% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0230?: CVE-2019-0230 primarily affects Apache Struts. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-0230?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-0230 published?: CVE-2019-0230 was published on 2020-09-14 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_policy_management:12.5.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_data_integration_hub:8.0.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_data_integration_hub:8.0.6:*:*:*:*:*:*:*
cpe:2.3:a:oracle:financial_services_market_risk_measurement_and_management:8.0.6:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*

More vulnerabilities in Apache Struts

CVE-2013-4316 — Critical (CVSS 10.0): Apache Struts 2.0.0 through 2.3.15.1 enables Dynamic Method Invocation by default, which has unknown impact and attack…
CVE-2012-0838 — Critical (CVSS 10.0): Apache Struts 2 before 2.2.3.1 evaluates a string as an OGNL expression during the handling of a conversion error,…
CVE-2024-53677 — Critical (CVSS 9.8): File upload logic in Apache Struts is flawed. An attacker can manipulate file upload params to enable paths traversal…
CVE-2023-50164 — Critical (CVSS 9.8): An attacker can manipulate file upload params to enable paths traversal and under some circumstances this can lead to…
CVE-2021-31805 — Critical (CVSS 9.8): The fix issued for CVE-2020-17530 was incomplete. So from Apache Struts 2.0.0 to 2.5.29, still some of the tag’s…
CVE-2020-17530 — Critical (CVSS 9.8): Forced OGNL evaluation, when evaluated on raw user input in tag attributes, may lead to remote code execution. Affected…

All CVEs affecting Apache Struts →

Other CWE-1321 (Prototype Pollution) vulnerabilities

CVE-2026-25142 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.27, SanboxJS does not properly restrict __lookupGetter__…
CVE-2024-39008 — Critical (CVSS 10.0): robinweser fast-loops v1.1.3 was discovered to contain a prototype pollution via the function objectMergeDeep. This…
CVE-2024-38999 — Critical (CVSS 10.0): jrburke requirejs v2.3.6 was discovered to contain a prototype pollution via the function s.contexts._.configure. This…
CVE-2022-29823 — Critical (CVSS 10.0): Feather-Sequalize cleanQuery method uses insecure recursive logic to filter unsupported keys from the query object.…
CVE-2022-24760 — Critical (CVSS 10.0): Parse Server is an open source http web server backend. In versions prior to 4.10.7 there is a Remote Code Execution…
CVE-2020-12079 — Critical (CVSS 10.0): Beaker before 0.8.9 allows a sandbox escape, enabling system access and code execution. This occurs because Electron…

Browse all CWE-1321 (Prototype Pollution) vulnerabilities →