CVE-2019-10072

UnknownEPSS 72.99%

Last modified

CVE-2019-10072 is a vulnerability of currently unknown severity. The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not sending WINDOW_UPDATE messages for the connection window (stream 0) clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.. EPSS estimates a 72.99% chance of exploitation in the next 30 days.

Description

The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not sending WINDOW_UPDATE messages for the connection window (stream 0) clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.

Metrics

EPSS Probability
72.99%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
ApacheTomcat>= 8.5.0, <= 8.5.40
ApacheTomcat>= 9.0.1, <= 9.0.19
ApacheTomcat9.0.0Milestone1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-10072?
The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not sending WINDOW_UPDATE messages for the connection window (stream 0) clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.
How severe is CVE-2019-10072?
Severity scoring for CVE-2019-10072 is pending analysis. The EPSS model estimates a 72.99% probability of exploitation in the next 30 days.
How do I fix CVE-2019-10072?
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-2019-10072?

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

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Source: NVD / NIST