What’s Vulnerable › Vulnerabilities

CVE-2020-26164

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-07 · updated 2026-06-17
• Weakness: CWE-400

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.

Affected products

• KDEConnect: before 20.08.2 — fixed in 20.08.2
• openSUSE Backports Sle: 15.0-sp1, 15.0-sp2
• openSUSE Leap: 15.1, 15.2

How to fix

Upgrade to a fixed version: KDEConnect 20.08.2. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00016.html
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00018.html
• http://www.openwall.com/lists/oss-security/2020/10/13/4
• http://www.openwall.com/lists/oss-security/2020/10/13/5
• http://www.openwall.com/lists/oss-security/2020/10/14/1
• http://www.openwall.com/lists/oss-security/2020/11/30/1
• https://bugzilla.suse.com/show_bug.cgi?id=1176268
• https://github.com/KDE/kdeconnect-kde/commit/024e5f23db8d8ad3449714b906b46094baaffb89
• https://github.com/KDE/kdeconnect-kde/commit/4fbd01a3d44a0bcca888c49a77ec7cfd10e113d7
• https://github.com/KDE/kdeconnect-kde/commit/542d94a70c56aa386c8d4d793481ce181b0422e8
• https://github.com/KDE/kdeconnect-kde/commit/613899be24b6e2a6b3e5cc719efce8ae8a122991
• https://github.com/KDE/kdeconnect-kde/commit/8112729eb0f13e6947984416118531078e65580d

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