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CVE-2022-22304

17
FAUCET Score

CVE-2022-22304 is a medium-severity cross-site scripting (XSS) vulnerability affecting FortiAuthenticator OWA Agent for Microsoft versions 2.1 and 2.2. An unauthenticated attacker can exploit this flaw by sending crafted HTTP GET requests, leading to the execution of malicious scripts in the victim's browser. While the attack complexity is low, it requires user interaction and could result in limited confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.1CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiauthenticator_agent_for_microsoft_outlook_web_access:2.1:*:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:a:fortinet:fortiauthenticator_agent_for_microsoft_outlook_web_access:2.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.55%
Probability of exploitation in next 30 days
EPSS Percentile
42.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0055 is in the 45th percentile among its peer group of 26,236 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

fortinetvendor investigatingvia nvd_reference
View patch

References

fortiguard.com / psirt/FG-IR-22-021
Vendor Advisory