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High 7.5Published Jul 14, 2020
CVE-2020-13935The 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.
Updated under an hour ago ()
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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
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- apache
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
apache tomcat apache:tomcat | from 7.0.27 through 7.0.104; from 8.5.0 through 8.5.56; from 9.0.1 through 9.0.36; 9.0.0; 9.0.0; 9.0.0; 9.0.0; 9.0.0; and 28 more ranges | NVD |
debian debian_linux debian:debian_linux | 9.0; 10.0 | NVD |
netapp oncommand_system_manager netapp:oncommand_system_manager | from 3.0.0 through 3.1.3 | NVD |
opensuse leap opensuse:leap | 15.1; 15.2 | NVD |
canonical ubuntu_linux canonical:ubuntu_linux | 16.04; 20.04 | NVD |
mcafee epolicy_orchestrator mcafee:epolicy_orchestrator | 5.9.0; 5.9.1; 5.10.0; 5.10.0; 5.10.0; 5.10.0; 5.10.0; 5.10.0; and 3 more ranges | NVD |
oracle agile_engineering_data_management oracle:agile_engineering_data_management | 6.2.1.0 | NVD |
oracle agile_product_lifecycle_management oracle:agile_product_lifecycle_management | 9.3.3; 9.3.5; 9.3.6 | NVD |
oracle blockchain_platform oracle:blockchain_platform | before 21.1.2 | NVD |
oracle commerce_guided_search oracle:commerce_guided_search | 11.3.2 | NVD |
oracle communications_cloud_native_core_policy oracle:communications_cloud_native_core_policy | 1.14.0 | NVD |
oracle communications_instant_messaging_server oracle:communications_instant_messaging_server | 10.0.1.5.0 | NVD |
oracle fmw_platform oracle:fmw_platform | 12.2.1.3.0; 12.2.1.4.0 | NVD |
oracle instantis_enterprisetrack oracle:instantis_enterprisetrack | 17.1; 17.2; 17.3 | NVD |
oracle managed_file_transfer oracle:managed_file_transfer | 12.2.1.3.0; 12.2.1.4.0 | NVD |
oracle mysql_enterprise_monitor oracle:mysql_enterprise_monitor | through 8.0.21 | NVD |
oracle siebel_ui_framework oracle:siebel_ui_framework | through 20.12 | NVD |
oracle workload_manager oracle:workload_manager | 12.2.0.1; 18c; 19c | NVD |
References
- https://lists.apache.org/thread.html/rd48c72bd3255bda87564d4da3791517c074d94f8a701f93b85752651%40%3Cannounce.tomcat.apache.org%3Ex-refsource-misc
- https://www.debian.org/security/2020/dsa-4727vendor-advisory, x-refsource-debian
- https://lists.debian.org/debian-lts-announce/2020/07/msg00017.htmlmailing-list, x-refsource-mlist
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00084.htmlvendor-advisory, x-refsource-suse
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00088.htmlvendor-advisory, x-refsource-suse
- https://usn.ubuntu.com/4448-1/vendor-advisory, x-refsource-ubuntu
- https://www.oracle.com/security-alerts/cpuoct2020.htmlx-refsource-misc
- https://security.netapp.com/advisory/ntap-20200724-0003/x-refsource-confirm
- https://kc.mcafee.com/corporate/index?page=content&id=SB10332x-refsource-confirm
- https://usn.ubuntu.com/4596-1/vendor-advisory, x-refsource-ubuntu
- https://lists.apache.org/thread.html/r4e5d3c09f4dd2923191e972408b40fb8b42dbff0bc7904d44b651e50%40%3Cusers.tomcat.apache.org%3Emailing-list, x-refsource-mlist
- https://www.oracle.com/security-alerts/cpujan2021.htmlx-refsource-misc
- https://www.oracle.com/security-alerts/cpuApr2021.htmlx-refsource-misc
- https://www.oracle.com//security-alerts/cpujul2021.htmlx-refsource-misc
- https://www.oracle.com/security-alerts/cpuoct2021.htmlx-refsource-misc
- https://www.oracle.com/security-alerts/cpujan2022.htmlx-refsource-misc
- https://www.oracle.com/security-alerts/cpuapr2022.htmlx-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.