Search/CVE-2020-13934
● CVE — High

CVE-2020-13934

Vendordebian, canonical, opensuse, oracle, apacheProductdebian linux, ubuntu linux, leap, agile product lifecycle management, tomcat, communications instant messaging server, managed file transfer, agile plm, mysql enterprise monitor, oncommand system manager, agile engineering data management, instantis enterprisetrack, siebel ui framework, fmw platform, workload managerDiscoveredJul 14, 2020UpdatedAug 25, 2026

An h2c direct connection to Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36 and 8.5.1 to 8.5.56 did not release the HTTP/1.1 processor after the upgrade to HTTP/2. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service.

CVSS v3.1
7.5 HIGH
EPSS
64.1%
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
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
Jul 14, 2020
Disclosure — published as a CVE record. · last revised by NVD Aug 25, 2026