CVE-2021-3314

Name: CVE-2021-3314
Creator: NVD / NIST
Published: 2021-06-25T16:15:17.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.93%

Last modified Jun 17, 2026

CVE-2021-3314 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

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 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

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.93%

55.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Oracle	Glassfish Server	<= 3.1.2.18

References

https://n4nj0.github.io/advisories/oracle-glassfish-reflected-xss/Exploit, Third Party Advisory
https://www.gruppotim.it/redteamThird Party Advisory
https://n4nj0.github.io/advisories/oracle-glassfish-reflected-xss/Exploit, Third Party Advisory
https://www.gruppotim.it/redteamThird Party Advisory

Timeline

Published: Jun 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3314?

How severe is CVE-2021-3314?

CVE-2021-3314 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3314?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3314?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST