CVE-2020-15171

MEDIUMCVSS 6.6/10EPSS 1.34%

Last modified

CVE-2020-15171 is a medium-severity vulnerability rated 6.6/10 on the CVSS scale. In XWiki before versions 11.10.5 or 12.2.1, any user with SCRIPT right (EDIT right before XWiki 7.4) can gain access to the application server Servlet context which contains tools allowing to instantiate arbitrary Java objects and invoke methods that may lead to arbitrary code execution. The only workaround is to give SCRIPT right only to trusted users.. EPSS estimates a 1.34% chance of exploitation in the next 30 days.

Description

In XWiki before versions 11.10.5 or 12.2.1, any user with SCRIPT right (EDIT right before XWiki 7.4) can gain access to the application server Servlet context which contains tools allowing to instantiate arbitrary Java objects and invoke methods that may lead to arbitrary code execution. The only workaround is to give SCRIPT right only to trusted users.

Metrics

CVSS 3.1
6.6/10

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.34%

67.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
XwikiXwiki< 11.10.5
XwikiXwiki>= 12.0.0, < 12.2.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-15171?
In XWiki before versions 11.10.5 or 12.2.1, any user with SCRIPT right (EDIT right before XWiki 7.4) can gain access to the application server Servlet context which contains tools allowing to instantiate arbitrary Java objects and invoke methods that may lead to arbitrary code execution. The only workaround is to give SCRIPT right only to trusted users.
How severe is CVE-2020-15171?
CVE-2020-15171 has a CVSS score of 6.6/10 (MEDIUM severity). The EPSS model estimates a 1.34% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15171?
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-2020-15171?

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

Scan your code now

Source: NVD / NIST