CVE-2021-22122: fortinet fortinet fortiweb Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 08-02-2021Last modified 25-10-2024
Vulnerability summary
CVE-2021-22122 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in fortinet fortinet fortiweb. EPSS estimates a 10.52% chance of exploitation in the next 30 days, higher than 95.7% of scored vulnerabilities.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
10.52%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-02-2021PublishedVulnerability first disclosed.
- 25-10-2024Last modifiedVulnerability information updated.
Description
An improper neutralization of input during web page generation in FortiWeb GUI interface 6.3.0 through 6.3.7 and version before 6.2.4 may allow an unauthenticated, remote attacker to perform a reflected cross site scripting attack (XSS) by injecting malicious payload in different vulnerable API end-points.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
10.52%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 10.52% on 21-09-2026
21-09-202621-10-2026
EPSS score10.52%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fortinet2 products
- fortinet fortiwebFortiWeb 6.3.0 through 6.3.7 and version before 6.2.4
- fortiweb≤ 6.2.3 | ≥ 6.3.0, ≤ 6.3.7
1 vendor · 2 products