CVE-2021-25122Not scoredCWE-200

CVE-2021-25122: Apache Tomcat h2c request mix-up

Apache Software Foundation · Apache Tomcat

Vendor fix available · Affected: Apache Software Foundation Apache Tomcat · Exploitation: likely to be exploited (10% or more)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

18.1%probability of exploitation in the next 30 days

97th percentile

050100

Higher than 97% of scored CVEs

Not scored yet. The CVE record carries no CVSS score.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Apache Software Foundation · Apache Tomcatfrom Apache Tomcat 10 before 10.0.2; from Apache Tomcat 9 before 9.0.42; from Apache Tomcat 8.5 before 8.5.62

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Likely to be exploited (10% or more). EPSS gives it a 10% or higher chance of exploitation in the next 30 days.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Information Exposure · Information Disclosure
Vendor: Apache Software Foundation
Published: March 2021
Band: Likely to be exploited (10% or more), March 2021

CoverageNo articles yet

No CyberSIXT article names CVE-2021-25122 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References

3 more references are in the CVE record.