CVE-2020-26164
CVE-2020-26164 is a medium-severity vulnerability in Kde Kdeconnect with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.9
- EPSS exploit prediction: 1% (42nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-400
- Affected product: Kde Kdeconnect
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2020-26164?
- 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.
- How severe is CVE-2020-26164?
- CVE-2020-26164 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-26164 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-26164?
- CVE-2020-26164 primarily affects Kde Kdeconnect. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-26164?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-26164 published?
- CVE-2020-26164 was published on 2020-10-07 and last updated on 2026-06-17.
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
- https://github.com/KDE/kdeconnect-kde/commit/ce0f00fc2d3eccb51d0af4eba61a4f60de086a59
- https://github.com/KDE/kdeconnect-kde/releases
- https://kde.org/info/security/advisory-20201002-1.txt
- https://kdeconnect.kde.org/official/
- https://lists.opensuse.org/opensuse-security-announce/2020-10/msg00014.html
- https://security.gentoo.org/glsa/202101-16
Affected products (5)
- cpe:2.3:a:kde:kdeconnect:*:*:*:*:*:*:*:*
- cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
- cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Other CWE-400 (Uncontrolled Resource Consumption) vulnerabilities
- CVE-2026-46775 — Critical (CVSS 9.9): Vulnerability in Oracle REST Data Services (component: Core). Supported versions that are affected are 24.2.0-26.1.0.…
- CVE-2025-61303 — Critical (CVSS 9.8): Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a…
- CVE-2025-43193 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7,…
- CVE-2025-24269 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4. An app may be able to…
- CVE-2025-24264 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4,…
- CVE-2025-24260 — Critical (CVSS 9.8): The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5,…
Browse all CWE-400 (Uncontrolled Resource Consumption) vulnerabilities →