CVE-2021-24122

high-risk
Published 2021-01-14

When serving resources from a network location using the NTFS file system, Apache Tomcat versions 10.0.0-M1 to 10.0.0-M9, 9.0.0.M1 to 9.0.39, 8.5.0 to 8.5.59 and 7.0.0 to 7.0.106 were susceptible to JSP source code disclosure in some configurations. The root cause was the unexpected behaviour of the JRE API File.getCanonicalPath() which in turn was caused by the inconsistent behaviour of the Windows API (FindFirstFileW) in some circumstances.

Do I need to act?

!
52.6% chance of exploitation in next 30 days
EPSS score — higher than 47% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Vendors

References (24)

and 4 more references
60
/ 100
high-risk
Severity 18/34 · Moderate
Exploitability 18/34 · Moderate
Exposure 24/34 · High