CVE-2020-10857 — CRITICAL (9.8)

Q: What is CVE-2020-10857?

CVE-2020-10857 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Zulip Desktop before 5.0.0 improperly uses shell.openExternal and shell.openItem with untrusted content, leading to remote code execution.

Q: How severe is CVE-2020-10857?

CVE-2020-10857 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2020-10857?

Check the references section above for vendor advisories and patch information. Affected products include: Zulip Zulip Desktop.

Vulnerability Description

Zulip Desktop before 5.0.0 improperly uses shell.openExternal and shell.openItem with untrusted content, leading to remote code execution.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Zulip	Zulip Desktop	< 5.0.0

References

https://blog.zulip.com/2020/04/01/zulip-desktop-5-0-0-security-release/Release NotesVendor Advisory
https://blog.zulip.com/2020/04/01/zulip-desktop-5-0-0-security-release/Release NotesVendor Advisory

FAQ

What is CVE-2020-10857?

CVE-2020-10857 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Zulip Desktop before 5.0.0 improperly uses shell.openExternal and shell.openItem with untrusted content, leading to remote code execution.

How severe is CVE-2020-10857?

CVE-2020-10857 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-10857?

Check the references section above for vendor advisories and patch information. Affected products include: Zulip Zulip Desktop.