High severity · published Jul 14, 2020
CVE-2020-13934
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
7.5
CVSS
64.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)64.1% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TO
Tomcat · Apache
Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M5 to 9.0.36, 8.5.1 to 8.5.56 · source: vendor, NVD
AE
Agile Engineering Data Management · Oracle
6.2.1.0 · source: NVD
AP
Agile Product Lifecycle Management · Oracle
9.3.3; 9.3.5; 9.3.6 · source: NVD
CI
Communications Instant Messaging Server · Oracle
10.0.1.5.0 · source: NVD
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
FP
Fmw Platform · Oracle
12.2.1.3.0; 12.2.1.4.0 · source: NVD
IE
Instantis Enterprisetrack · Oracle
17.1; 17.2; 17.3 · source: NVD
LE
Leap · Opensuse
15.1; 15.2 · source: NVD
MF
Managed File Transfer · Oracle
12.2.1.3.0; 12.2.1.4.0 · source: NVD
ME
Mysql Enterprise Monitor · Oracle
through 8.0.21 · source: NVD
OS
Oncommand System Manager · Netapp
3.0.0 through 3.1.3 · source: NVD
SU
Siebel UI Framework · Oracle
through 20.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13934
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13934
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html
Mailing List
https://lists.apache.org/thread.html/r61f411cf82488d6ec213063fc15feeeb88e31b0ca9c29652ee4f962e%40%3Cannounce.tomcat.apache.org%3E
lists.apache.org
https://lists.apache.org/thread.html/ra072b1f786e7d139e86f1d1145572e0ff71cef38a96d9c6f5362aac8%40%3Cdev.tomcat.apache.org%3E
Mailing List
https://lists.debian.org/debian-lts-announce/2020/07/msg00017.html
Third Party Advisory
https://security.netapp.com/advisory/ntap-20200724-0003/
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