Critical severity · published Oct 28, 2022
CVE-2022-3320
Bypassing Cloudflare Zero Trust policies using warp-cli set-custom-endpoint command
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
It was possible to bypass policies configured for Zero Trust Secure Web Gateway by using warp-cli 'set-custom-endpoint' subcommand. Using this command with an unreachable endpoint caused the WARP Client to disconnect and allowed bypassing administrative restrictions on a Zero Trust enrolled endpoint.
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)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
WARP · Cloudflare
before 2022.8.857.0; before 2022.8.936; before 2022.8.861.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-3320
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-3320
Third Party Advisory
https://github.com/cloudflare/advisories/security/advisories/GHSA-3868-hwjx-r5xf
More from WARP
8.8
CVE-2022-3512
Lock WARP switch bypass using warp-cli 'add-trusted-ssid' command
8.5
CVE-2022-3337
Lock WARP switch bypass by removing VPN profile on iOS mobile client
8.2
CVE-2022-3321
Lock WARP switch feature bypass on WARP mobile client for iOS
8.0
CVE-2022-4428
support_uri parameter in the WARP client local settings file (mdm.xml) lacked proper validation which allowed for privilege escalation and launching an arbitrary executable on the…
7.8
CVE-2023-0652
Due to a hardlink created in the ProgramData folder during the repair process of the software, the installer (MSI) of WARP Client for Windows (<= 2022.12.582.0) allowed a…