CVE-2019-20445

high-risk
Published 2020-01-29

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.

Do I need to act?

~
2.8% 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
9
CVSS 9.1/10 Critical
NETWORK / LOW complexity

References (108)

and 88 more references
53
/ 100
high-risk
Severity 31/34 · Critical
Exploitability 6/34 · Minimal
Exposure 16/34 · Moderate