XSS in Fortinet Fortimail

CVE-2021-43062

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.129 (96.2th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-43062: held from 0.129 to 0.129.

EPSS over last 30 days · oldest: 0.129 · newest: 0.129 · change: 0.000

Affected products

  • Fortinet Fortimail
  • Fortinet Fortimail — versions FortiMail 7.0.1, 7.0.0, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.0.11, 6.0.10, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-43062?
CVE-2021-43062 is a medium-severity vulnerability in Fortinet Fortimail, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-02-02.
How severe is CVE-2021-43062?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-43062 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.