6.1

CVE-2021-43081: fortinet fortinet fortiproxy Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 11-05-2022Last modified 22-10-2024
Open JSON

Vulnerability summary

CVE-2021-43081 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in fortinet fortinet fortiproxy. EPSS estimates a 0.90% chance of exploitation in the next 30 days, higher than 59% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.90%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-05-2022
    PublishedVulnerability first disclosed.
  2. 22-10-2024
    Last modifiedVulnerability information updated.

Description

An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS version 7.0.3 and below, 6.4.8 and below, 6.2.10 and below, 6.0.14 to 6.0.0. and in FortiProxy version 7.0.1 and below, 2.0.7 to 2.0.0 web filter override form may allow an unauthenticated attacker to perform an XSS attack via crafted HTTP GET requests.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.90%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

+0.01 pp

From 0.89% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.90%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fortinet3 products
  • fortinet fortiproxyFortiOS version 7.0.3 and below, 6.4.8 and below, 6.2.10 and below, 6.0.14 to 6.0.0. FortiProxy version 7.0.1 and below, 2.0.7 to 2.0.0.
  • fortios≥ 6.0.0, ≤ 6.0.14 | ≥ 6.2.0, ≤ 6.2.10 | ≥ 6.4.0, < 6.4.9 | ≥ 7.0.0, < 7.0.4
  • fortiproxy≥ 2.0.0, < 2.0.8 | ≥ 7.0.0, < 7.0.2

1 vendor · 3 products

References

1 links