CVE-2021-3314
Published: 25 June 2021
Summary
CVE-2021-3314 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Oracle Glassfish Server. Its CVSS base score is 6.1 (Medium).
Operationally, ranked at the 32.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-26645
Vulnerability details
Oracle GlassFish Server 3.1.2.18 and below allows /common/logViewer/logViewer.jsf XSS. A malicious user can cause an administrator user to supply dangerous content to the vulnerable page, which is then reflected back to the user and executed by the web browser. The…
more
most common mechanism for delivering malicious content is to include it as a parameter in a URL that is posted publicly or e-mailed directly to victims. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.