CVE-2020-13934
HIGHCVSS 7.5/10EPSS 64.12%
Last modified
CVE-2020-13934 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 64.12% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Apache | Tomcat | >= 8.5.1, <= 8.5.56 | — |
| Apache | Tomcat | >= 9.0.1, <= 9.0.36 | — |
| Apache | Tomcat | 9.0.0 | Milestone10 |
| Apache | Tomcat | 10.0.0 | Milestone1 |
| Debian | Debian Linux | 9.0 | — |
| Debian | Debian Linux | 10.0 | — |
| Netapp | Oncommand System Manager | >= 3.0.0, <= 3.1.3 | — |
| Opensuse | Leap | 15.1 | — |
| Opensuse | Leap | 15.2 | — |
| Canonical | Ubuntu Linux | 20.04 | — |
| Oracle | Agile Engineering Data Management | 6.2.1.0 | — |
| Oracle | Agile Plm | 9.3.3 | — |
| Oracle | Agile Plm | 9.3.5 | — |
| Oracle | Agile Plm | 9.3.6 | — |
| Oracle | Communications Instant Messaging Server | 10.0.1.5.0 | — |
| Oracle | Fmw Platform | 12.2.1.3.0 | — |
| Oracle | Fmw Platform | 12.2.1.4.0 | — |
| Oracle | Instantis Enterprisetrack | 17.1 | — |
| Oracle | Instantis Enterprisetrack | 17.2 | — |
| Oracle | Instantis Enterprisetrack | 17.3 | — |
| Oracle | Managed File Transfer | 12.2.1.3.0 | — |
| Oracle | Managed File Transfer | 12.2.1.4.0 | — |
| Oracle | Mysql Enterprise Monitor | <= 8.0.21 | — |
| Oracle | Siebel Ui Framework | <= 20.12 | — |
| Oracle | Workload Manager | 12.2.0.1 | — |
| Oracle | Workload Manager | 18c | — |
| Oracle | Workload Manager | 19c | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.htmlMailing List, Third Party Advisory
- https://lists.apache.org/thread.html/r61f411cf82488d6ec213063fc15feeeb88e31b0ca9c29652ee4f962e%40%3Cannounce.tomcat.apache.org%3EMailing List, Release Notes, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00017.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200724-0003/Third Party Advisory
- https://usn.ubuntu.com/4596-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4727Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.htmlMailing List, Third Party Advisory
- https://lists.apache.org/thread.html/r61f411cf82488d6ec213063fc15feeeb88e31b0ca9c29652ee4f962e%40%3Cannounce.tomcat.apache.org%3EMailing List, Release Notes, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00017.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200724-0003/Third Party Advisory
- https://usn.ubuntu.com/4596-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4727Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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. If a sufficient number of such requests were made, an OutOfMemoryException could occur leading to a denial of service.
How severe is CVE-2020-13934?
CVE-2020-13934 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 64.12% probability of exploitation in the next 30 days.
How do I fix CVE-2020-13934?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-13934?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST