CVE-2021-28134

Clipper before 1.0.5 allows remote command execution. A remote attacker may send a crafted IPC...

9.8 Critical

Clipper before 1.0.5 allows remote command execution. A remote attacker may send a crafted IPC message to the exposed vulnerable ipcRenderer IPC interface, which invokes the dangerous openExternal API.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

5.17%Up 2.9 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2021-28134
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2021-28134
Updated: 2026-11-02

EUVDEUVD-2021-14833 No score

Record: EUVD-2021-14833
Updated: 2026-11-03

GitHub AdvisoriesGHSA-v5f5-42hw-59fp No score

Clipper before 1.0.5 allows remote command execution. A remote attacker may send a crafted IPC...

Record: GHSA-v5f5-42hw-59fp
Updated: 2026-11-02

OSV 9.8

Record: CVE-2021-28134
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

clipper project clipper

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-28134 is a critical vulnerability (CVSS 9.8) in Clipper Project Clipper, published March 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.17%, the 92nd percentile. No source names a fixed version.