CVE-2020-13935

mediumPriorität · beachten · 70EPSS 0.866 · 100. PerzentilExploit · PoCDEEUNLRUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

86.6% (100th) EPSS

CVSS 5 · medium

Is it mine?

174 products

Prüfe deine Angriffsfläche

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · bewertet 2026-10-22

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.

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

Behobentomcat-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-admin-webapps-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-admin-webapps-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-docs-webapp-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-docs-webapp-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-el-3_0-api-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-el-3_0-api-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-javadoc-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-javadoc-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-jsp-2_3-api-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-jsp-2_3-api-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-lib-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-lib-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-servlet-4_0-api-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-servlet-4_0-api-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-webapps-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Behobentomcat-webapps-0:9.0.115-3.160.1.noarch as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

7.5

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Hsecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · SUSE Product Security

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-835USprimärCWE-400USCWE-835USCWE-835US

Exploits (2)

Öffentlicher Proof-of-Concept- und Exploit-Code.

RedTeamPentesting/CVE-2020-13935Exploit for WebSocket Vulnerability in Apache TomcatPoC · poc_in_github
aabbcc19191/CVE-2020-13935aabbcc19191/CVE-2020-13935PoC · poc_in_github

betroffene Produkte (174)

Betroffene Produkte und Versionsbereiche.

Amazon Linux 2alle Versionencert_bundDEcpe:/o:amazon:linux_2:-
Apache Tomcat <10.0.0-M7alle Versionencert_bundDE
Apache Tomcat <8.5.57alle Versionencert_bundDE
Apache Tomcat <9.0.37alle Versionencert_bundDE
Avaya Aura Application Enablement Servicesalle Versionencert_bundDEcpe:/a:avaya:aura_application_enablement_services:-
Avaya Aura Communication Manageralle Versionencert_bundDEcpe:/a:avaya:communication_manager:-
Avaya Aura Experience Portalalle Versionencert_bundDEcpe:/a:avaya:aura_experience_portal:-
Avaya Aura Session Manageralle Versionencert_bundDEcpe:/a:avaya:session_manager:-
Avaya Aura System Manageralle Versionencert_bundDEcpe:/a:avaya:aura_system_manager:-
Avaya Web License Manageralle Versionencert_bundDEcpe:/a:avaya:web_license_manager:-
Avaya one-Xalle Versionencert_bundDEcpe:/a:avaya:one-x:-
Debian Linuxalle Versionencert_bundDEcpe:/o:debian:debian_linux:-
Gentoo Linuxalle Versionencert_bundDEcpe:/o:gentoo:linux:-
HPE HP-UXalle Versionencert_bundDEcpe:/o:hp:hp-ux:-
IBM FlashSystemalle Versionencert_bundDEcpe:/a:ibm:flashsystem:-
IBM SAN Volume Controlleralle Versionencert_bundDEcpe:/a:ibm:san_volume_controller:-
IBM Storwizealle Versionencert_bundDEcpe:/a:ibm:storwize:-
McAfee ePolicy Orchestratoralle Versionencert_bundDEcpe:/a:mcafee:epolicy_orchestrator:-
Oracle Linuxalle Versionencert_bundDEcpe:/o:oracle:linux:-
Oracle MySQLalle Versionencert_bundDEcpe:/a:oracle:mysql:-

20 von 174 angezeigt

Advisories (9)

Hersteller- und Ökosystem-Meldungen dazu.

NCSC-2025-0123Kwetsbaarheden verholpen in Oracle Database ProductenNL2025-04-16csaf · ncsc_nlNL
Oracle heeft kwetsbaarheden verholpen in diverse Oracle Database Producten en subsystemen, zoals Oracle Server, NoSQL, TimesTen, Secure Backup en Essbase.
SUSE-SU-2026:1058-1Security update for tomcat2026-03-26csaf · suse_csafDE
Security update for tomcat
WID-SEC-W-2022-0519Apache Tomcat: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2020-07-14csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apache Tomcat ausnutzen, um einen Denial of Service Angriff durchzuführen.
WID-SEC-W-2022-1375JFrog Artifactory: Mehrere SchwachstellenDeutsch2022-09-11csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in JFrog Artifactory ausnutzen, um seine Privilegien zu erweitern, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen und einen Denial-of-Service-Zustand auszulösen.
WID-SEC-W-2023-1048Oracle Construction and Engineering: Mehrere SchwachstellenDeutsch2020-10-20csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Construction and Engineering ausnutzen, um die Verfügbarkeit, Vertraulichkeit und Integrität zu gefährden.
WID-SEC-W-2024-0528Dell Data Protection Advisor: Mehrere SchwachstellenDeutsch2024-02-29csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell Data Protection Advisor ausnutzen, um beliebigen Code auszuführen, einen Denial-of-Service-Zustand herbeizuführen, Dateien zu manipulieren, vertrauliche Informationen offenzulegen, seine Berechtigungen zu erweitern oder einen nicht spezifizierten Angriff durchzuführen.
WID-SEC-W-2026-0205Oracle MySQL: Mehrere SchwachstellenDeutsch2020-10-20csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle MySQL ausnutzen, um die Verfügbarkeit, Vertraulichkeit und Integrität zu gefährden.
GHSA-m7jv-hq7h-mq7cInfinite Loop in Apache Tomcat2022-02-08ghsa · osvUS
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.
BIT-tomcat-2020-139352024-03-06vendor · osvUS
The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 9.0.0 through 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.

auch bekannt als (6)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu osv cert_bund ncsc_nl suse_csaf NVD CVE.org MITRE

veröffentlicht 2020-07-14geändert 2026-06-17

verwandt (1,368)

Verwandte Einträge.

ID	Schweregrad	EPSS	ausnutzbar	veröffentlicht
CVE-2024-20353US	high8.6OT kritisch	70.7% (99th)	KEV	2024-04-24
A vulnerability in the management and VPN web servers for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthen…
CVE-2014-0050US	high7.5	83.3% (100th)	Exploit	2014-04-01
MultipartStream.java in Apache Commons FileUpload before 1.3.1, as used in Apache Tomcat, JBoss Web, and other products, allows remote attackers to cause a denial of service (infin…
CVE-2021-21341US	high7.5	77.8% (100th)	Exploit	2021-03-23
XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is vulnerability which may allow a remote attacker to allocate 100% CP…
CVE-2022-0778US	high7.5	73.2% (99th)	Exploit	2022-03-15
The BN_mod_sqrt() function, which computes a modular square root, contains a bug that can cause it to loop forever for non-prime moduli. Internally this function is used when parsi…
CVE-2017-16944US	high7.5	63.4% (99th)	Exploit	2017-11-25
The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to cause a denial of service (infinite loop and stack exhaustion) via vectors…

+1363 weitere

Referenzen (88)

Externe Belege — Patches, Meldungen, Analysen.

scry

Angreifer nutzen Schwachstellen wie diese gegen im Internet exponierte Dienste aus. Sehen Sie mit einem kostenlosen Passiv-Scan, was exponiert ist.

Kostenloser Scan