A improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiMail version 7.0.1 and 7.0.0, versi…

published 2022-02-02 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30015

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 12.9%; EPSS 12.9% chance of exploitation in 30 days, percentile 96%
public exploits: 1; Exploit-DB, plus a Nuclei check

A improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiMail version 7.0.1 and 7.0.0, version 6.4.5 and below, version 6.3.7 and below, version 6.0.11 and below allows attacker to execute unauthorized code or commands via crafted HTTP GET requests to the FortiGuard URI protection service.

Patch / fix

fixed in 1

fortinet fortimail 6.2.8, 6.4.6, 7.0.2

Timeline

2022-02-02 Published
2022-02-18 First public exploit (EDB-50759)

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-10-22)

Exploit prediction

12.94% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-50759 Fortinet Fortimail 7.0.1 - Reflected Cross-Site Scripting (XSS) webapps, 2022-02-18
Nuclei template Fortinet FortiMail 7.0.1 - Cross-Site Scripting nuclei detection template
packetstormsecurity.com http://packetstormsecurity.com/files/166055/Fortinet-Fortimail-7.0.1-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:X/RC:C
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

Fortinet Fortinet FortiMail

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

Fortinet rss critical rss

References

packetstormsecurity.com /files/166055/Fortinet-Fortimail-7.0.1-Cross-Site-Scripting.html
exploit, third-party-advisory, vdb-entry
fortiguard.com /advisory/FG-IR-21-185
vendor-advisory

Sources

CVE List CVE-2021-43062
NVD CVE-2021-43062

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary