CVE-2020-11023
Actively exploited. CVE-2020-11023 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-01-23) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2020-11023 is indexed in Exploit-DB and GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
A remote anonymous attacker can exploit multiple vulnerabilities in Red Hat JBoss Enterprise Application Platform to execute arbitrary code, conduct a Cross-Site Scripting attack, disclose information, create a Denial of Service state, or bypass security measures.
CSIRTS triage
- What
- Multiple vulnerabilities in Red Hat JBoss Enterprise Application Platform can lead to arbitrary code execution, XSS, information disclosure, denial of service, and security bypass.
- Who is affected
- Remote anonymous attackers can exploit these vulnerabilities in Red Hat JBoss EAP.
- Urgency
- Remediation is critical due to the high severity and active exploitation.
- Action
- Update Red Hat JBoss Enterprise Application Platform to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2020-11023 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (2)
- high[UPDATE] [high] Red Hat JBoss Enterprise Application Platform: Multiple vulnerabilitiescert-bund · 2026-07-06
- criticalexploitedCVE-2020-11023: JQuery Cross-Site Scripting (XSS) Vulnerabilitycisa-kev · 2025-01-23
External references
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[](https://www.csirts.com/cve/CVE-2020-11023)