Search/CVE-2020-13935
● CVE — High

CVE-2020-13935

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

The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.

CVSS v3.1
7.5 HIGH
EPSS
86.6%
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
Timeline
disclosure → media coverage
Jul 14, 2020
Disclosure — published as a CVE record. · last revised by NVD Aug 25, 2026
Public PoC (2)
Unverified third-party code — review before executing.