CVE-2021-22122

Fortiweb vulnerability

CVSS

6.1

EPSS

10.5%

EPSS pct

95th

Exploited

No known

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.

Affected vendor

Fortinet

Affected product

Fortiweb

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2021-02-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 10.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2021-22122

Confirm whether Fortinet Fortiweb is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-22122.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-22122

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-22122 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2021-22122?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2021-22122.

Start free scan

No credit card. Agentless.

Related vulnerabilities

MEDIUM

CVE-2004-1659

Cutenews vulnerability

MEDIUM

CVE-2004-1663

Silkworm vulnerability

MEDIUM

CVE-2004-1664

Call Of Duty vulnerability