CVE-2019-20445

CRITICALCVSS 9.1/10EPSS 13.47%

Last modified

CVE-2019-20445 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header.. EPSS estimates a 13.47% chance of exploitation in the next 30 days.

Description

HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header.

Metrics

CVSS 3.1
9.1/10

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

EPSS Probability
13.47%

96.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
NettyNetty< 4.1.44
DebianDebian Linux8.0
DebianDebian Linux9.0
DebianDebian Linux10.0
FedoraprojectFedora33
CanonicalUbuntu Linux18.04
RedhatJboss Amq Clients2
RedhatJboss Enterprise Application Platform7.2
RedhatJboss Enterprise Application Platform7.3
ApacheSpark2.4.7
ApacheSpark2.4.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-20445?
HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header.
How severe is CVE-2019-20445?
CVE-2019-20445 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 13.47% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20445?
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-2019-20445?

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

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Source: NVD / NIST