← Vulnerability feed

Vulnerability record · CVE-2020-26164 · published 7 October 2020

CVE-2020-26164: Kdeconnect uncontrolled resource consumption vulnerability

Kde · Kdeconnect

In kdeconnect-kde (aka KDE Connect) before 20.08.2, an attacker on the local network could send crafted packets that trigger use of large amounts of CPU, memory, or network connection slots, aka a Denial of Service attack.

5.5 CVSS 3.1 Medium EPSS 0.55% · top 55.6% CWE-400 · Uncontrolled resource consumption
5.5CVSS 3.1 base score, v2 4.9
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
36References
17 Jun 2026Last modified by NVD

Description

In kdeconnect-kde (aka KDE Connect) before 20.08.2, an attacker on the local network could send crafted packets that trigger use of large amounts of CPU, memory, or network connection slots, aka a Denial of Service attack.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00016.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00018.html Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/10/13/4 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/10/13/5 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/10/14/1 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/11/30/1 Mailing List
https://bugzilla.suse.com/show_bug.cgi?id=1176268 Issue TrackingThird Party Advisory
https://github.com/KDE/kdeconnect-kde/commit/024e5f23db8d8ad3449714b906b46094baaffb89 PatchThird Party Advisory
https://github.com/KDE/kdeconnect-kde/commit/4fbd01a3d44a0bcca888c49a77ec7cfd10e113d7 PatchThird Party Advisory
https://github.com/KDE/kdeconnect-kde/commit/542d94a70c56aa386c8d4d793481ce181b0422e8 PatchThird Party Advisory
https://github.com/KDE/kdeconnect-kde/commit/613899be24b6e2a6b3e5cc719efce8ae8a122991 PatchThird Party Advisory
https://github.com/KDE/kdeconnect-kde/commit/8112729eb0f13e6947984416118531078e65580d PatchThird Party Advisory
https://github.com/KDE/kdeconnect-kde/commit/ce0f00fc2d3eccb51d0af4eba61a4f60de086a59 PatchThird Party Advisory
https://github.com/KDE/kdeconnect-kde/releases Release NotesThird Party Advisory
https://kde.org/info/security/advisory-20201002-1.txt Third Party AdvisoryVendor Advisory
https://kdeconnect.kde.org/official/ Product
https://lists.opensuse.org/opensuse-security-announce/2020-10/msg00014.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202101-16 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00016.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00018.html Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/10/13/4 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/10/13/5 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/10/14/1 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/11/30/1 Mailing List
https://bugzilla.suse.com/show_bug.cgi?id=1176268 Issue TrackingThird Party Advisory
https://github.com/KDE/kdeconnect-kde/commit/024e5f23db8d8ad3449714b906b46094baaffb89 PatchThird Party Advisory
https://github.com/KDE/kdeconnect-kde/commit/4fbd01a3d44a0bcca888c49a77ec7cfd10e113d7 PatchThird Party Advisory
https://github.com/KDE/kdeconnect-kde/commit/542d94a70c56aa386c8d4d793481ce181b0422e8 PatchThird Party Advisory
https://github.com/KDE/kdeconnect-kde/commit/613899be24b6e2a6b3e5cc719efce8ae8a122991 PatchThird Party Advisory
https://github.com/KDE/kdeconnect-kde/commit/8112729eb0f13e6947984416118531078e65580d PatchThird Party Advisory
https://github.com/KDE/kdeconnect-kde/commit/ce0f00fc2d3eccb51d0af4eba61a4f60de086a59 PatchThird Party Advisory
https://github.com/KDE/kdeconnect-kde/releases Release NotesThird Party Advisory
https://kde.org/info/security/advisory-20201002-1.txt Third Party AdvisoryVendor Advisory
https://kdeconnect.kde.org/official/ Product
https://lists.opensuse.org/opensuse-security-announce/2020-10/msg00014.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202101-16 Third Party Advisory

Track CVE-2020-26164 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-16846SaltStack Salt API shell injection via crafted web requestsSaltStack Salt through 3002 is vulnerable to OS command injection when the SSH client is enabled and crafted web requests are sent to the Salt API. T…KEVEPSS 100%analysed9.8CVE-2020-12641Roundcube Webmail OS command injection via image conversion path settingsRoundcube Webmail before 1.4.4 passes the im_convert_path and im_identify_path configuration settings to a shell without sanitization in rcube_image.…KEVEPSS 84%analysed9.8CVE-2020-11651SaltStack Salt master authentication bypass in ClearFuncsSaltStack Salt before 2019.2.4 and 3000 before 3000.2 fails to properly validate method calls in the salt-master ClearFuncs class, allowing remote un…KEVEPSS 97%analysed9.8CVE-2020-1938Apache Tomcat AJP connector file read and JSP execution flawApache Tomcat shipped an AJP Connector enabled by default that listened on all configured IP addresses, and Tomcat treats AJP connections as more tru…KEVEPSS 99%analysed9.8CVE-2016-3427Oracle Java SE JMX Improper Access Control VulnerabilityCVE-2016-3427 is an unspecified vulnerability in Oracle Java SE 6u113, 7u99, 8u77, Java SE Embedded 8u77, and JRockit R28.3.9, reached through vector…KEVEPSS 92%analysed9.6CVE-2020-15999FreeType heap buffer overflow in Chrome via crafted HTML pageFreeType contains a heap buffer overflow reachable through a crafted HTML page in Google Chrome prior to 86.0.4240.111. The flaw is an out-of-bounds …KEVEPSS 64%analysed8.8CVE-2020-16009Google Chrome V8 type confusion leads to heap corruptionGoogle Chrome before 86.0.4240.183 contains an inappropriate implementation in the V8 JavaScript engine that allows heap corruption via a crafted HTM…KEVEPSS 48%analysed8.8CVE-2019-13720Google Chrome WebAudio use-after-free allows heap corruptionGoogle Chrome before 78.0.3904.87 contains a use-after-free in WebAudio that a remote attacker can trigger with a crafted HTML page, leading to heap …KEVEPSS 49%analysed

Source: NIST National Vulnerability Database (record CVE-2020-26164), CISA KEV, FIRST EPSS (scores of 2026-10-10). This page is refreshed as NVD updates the record.