Search/CVE-2020-11612
● CVE — High

CVE-2020-11612

Vendordebian, fedoraproject, netty, netapp, oracleProductdebian linux, fedora, netty, oncommand insight, oncommand workflow automation, webcenter portal, oncommand api services, siebel core - server framework, communications design studio, communications brm - elastic charging engine, nosql database, communications messaging server, communications cloud native core service communication proxyDiscoveredApr 7, 2020UpdatedNov 21, 2024

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.

CVSS v3.1
7.5 HIGH
EPSS
9.19%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 30, 2026
▼ 0.25pp
9.44% → 9.19% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityNONE
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Timeline
disclosure → media coverage
Apr 7, 2020
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024