CVE-2020-13934
tomcat8 - security update
7.5
HIGH
CVSS 3.1
EPSS 23.4%
Description
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.
How to fix CVE-2020-13934
To remediate CVE-2020-13934, upgrade the affected package to a fixed version below.
- —upgrade to 8.5.57 or later
- —upgrade to 8.5.54-0+deb9u3 or later
- —upgrade to 9.0.37-1 or later
- —upgrade to 10.0.0-M6 or later
- —upgrade to 10.0.0-M6 or later
Is CVE-2020-13934 being exploited?
Moderate — EPSS is 23.4%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (5)
- >= 8.5.1, < 8.5.57, >= 9.0.1, < 9.0.37
- from 0, < 8.5.54-0+deb9u3
- from 0, < 9.0.37-1
- >= 10.0.0-M1, < 10.0.0-M6
- >= 10.0.0-M1, < 10.0.0-M6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |