Critical severity · published Feb 5, 2021
CVE-2020-10857
Zulip Desktop before 5.0.0 improperly uses shell.openExternal and shell.openItem with untrusted content, leading to remote code execution
9.8
CVSS
3.2%
EPSS
No
On KEV
Description
Zulip Desktop before 5.0.0 improperly uses shell.openExternal and shell.openItem with untrusted content, leading to remote code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZD
Zulip Desktop · Zulip
before 5.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10857
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10857
Release Notes
https://blog.zulip.com/2020/04/01/zulip-desktop-5-0-0-security-release/
More from Zulip Desktop
5.3
CVE-2020-10858
Zulip Desktop before 5.0.0 allows attackers to perform recording via the webcam and microphone due to a missing permission request handler