CVE-2020-11612
high-risk
Published 2020-04-07
The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder.
Do I need to act?
~
4.3% 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 (15)
Oncommand Api Services
Communications Design Studio
Nosql Database
Siebel Core - Server Framework
Affected Vendors
References (90)
Third Party Advisory
https://github.com/netty/netty/issues/6168
and 70 more references
52
/ 100
high-risk
Severity
26/34 · High
Exploitability
8/34 · Low
Exposure
18/34 · Moderate