CVE-2021-25122
high-risk
Published 2021-03-01
When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.
Do I need to act?
~
2.6% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10
High
NETWORK
/ LOW complexity
Affected Products (20)
References (32)
Third Party Advisory
https://security.gentoo.org/glsa/202208-34
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210409-0002/
Third Party Advisory
https://www.debian.org/security/2021/dsa-4891
and 12 more references
58
/ 100
high-risk
Severity
26/34 · High
Exploitability
6/34 · Minimal
Exposure
26/34 · High