VULNERABILITY INTELLIGENCE
CVE-2021-43206
CVSS score4.3 MEDIUM
EPSS probability0.82%
CISA KEVNot currently listed
Published2022-05-04
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Description
A server-generated error message containing sensitive information in Fortinet FortiOS 7.0.0 through 7.0.3, 6.4.0 through 6.4.8, 6.2.x, 6.0.x and FortiProxy 7.0.0 through 7.0.1, 2.0.x allows malicious webservers to retrieve a web proxy's client username and IP via same origin HTTP requests triggering proxy-generated HTTP status codes pages.
Weakness classification
- nvd@nist.gov: CWE-209
Primary references
- psirt@fortinet.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory