CVE-2020-13934CWE-401CWE-476

CVE-2020-13934

High · published July 14, 2020

Patch now

High probability of exploitation

CVSS calls it high at 7.5. It sits in the 99.2th percentile for exploit probability.

CVSS v3.1
7.5
EPSS
64%
Percentile
99.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.64124 · 99.2th percentile
Weaknesses
CWE-401 · Missing Release of Memory after Effective Lifetime; CWE-476 · NULL Pointer Dereference
Published
2020-07-14T19:15Z
Affected products (54)
ProductVersionsFixed in
apache/tomcat≥ 8.5.1, ≤ 8.5.56—
apache/tomcat≥ 9.0.1, ≤ 9.0.36—
apache/tomcatall versions—
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apache/tomcatall versions—
debian/debian_linuxall versions—
debian/debian_linuxall versions—
netapp/oncommand_system_manager≥ 3.0.0, ≤ 3.1.3—
opensuse/leapall versions—
opensuse/leapall versions—
canonical/ubuntu_linuxall versions—
oracle/agile_engineering_data_managementall versions—
oracle/agile_product_lifecycle_managementall versions—
oracle/agile_product_lifecycle_managementall versions—
oracle/agile_product_lifecycle_managementall versions—
oracle/communications_instant_messaging_serverall versions—
oracle/fmw_platformall versions—
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oracle/instantis_enterprisetrackall versions—
oracle/instantis_enterprisetrackall versions—
oracle/instantis_enterprisetrackall versions—
oracle/managed_file_transferall versions—
oracle/managed_file_transferall versions—
oracle/mysql_enterprise_monitor≤ 8.0.21—
oracle/siebel_ui_framework≤ 20.12—
oracle/workload_managerall versions—
oracle/workload_managerall versions—
oracle/workload_managerall versions—
References (26)
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html · [email protected]http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html · [email protected]https://lists.apache.org/thread.html/r61f411cf82488d6ec213063fc15feeeb88e31b0ca9c29652ee4f962e%40%3Cannounce.tomcat.apache.org%3E · [email protected]https://lists.apache.org/thread.html/ra072b1f786e7d139e86f1d1145572e0ff71cef38a96d9c6f5362aac8%40%3Cdev.tomcat.apache.org%3E · [email protected]https://lists.debian.org/debian-lts-announce/2020/07/msg00017.html · [email protected]https://security.netapp.com/advisory/ntap-20200724-0003/ · [email protected]https://usn.ubuntu.com/4596-1/ · [email protected]https://www.debian.org/security/2020/dsa-4727 · [email protected]https://www.oracle.com//security-alerts/cpujul2021.html · [email protected]https://www.oracle.com/security-alerts/cpuApr2021.html · [email protected]https://www.oracle.com/security-alerts/cpujan2021.html · [email protected]https://www.oracle.com/security-alerts/cpujan2022.html · [email protected]https://www.oracle.com/security-alerts/cpuoct2020.html · [email protected]http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.html · af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.html · af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r61f411cf82488d6ec213063fc15feeeb88e31b0ca9c29652ee4f962e%40%3Cannounce.tomcat.apache.org%3E · af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/ra072b1f786e7d139e86f1d1145572e0ff71cef38a96d9c6f5362aac8%40%3Cdev.tomcat.apache.org%3E · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/07/msg00017.html · af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20200724-0003/ · af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4596-1/ · af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4727 · af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com//security-alerts/cpujul2021.html · af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuApr2021.html · af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujan2021.html · af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpujan2022.html · af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuoct2020.html · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 14 JUL 14:59Z
    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…
    cvelistv5