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CVE-2021-22499

18
FAUCET Score

CVE-2021-22499 is a persistent Cross-Site Scripting (XSS) vulnerability impacting Micro Focus Application Performance Management versions 9.40, 9.50, and 9.51. This medium-severity flaw, with a CVSS score of 4.8, requires high privileges and user interaction for exploitation, potentially leading to limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
9.40CPE matchmatch criteria
cpe:2.3:a:microfocus:application_performance_management:9.40:*:*:*:*:*:*:*
9.50CPE matchmatch criteria
cpe:2.3:a:microfocus:application_performance_management:9.50:*:*:*:*:*:*:*
9.51CPE matchmatch criteria
cpe:2.3:a:microfocus:application_performance_management:9.51:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.7
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0061 is in the 79th percentile among its peer group of 4,931 CVEs.

Social Chatter

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

Remediation

Remediation records are not available for this CVE.

References

softwaresupport.softwaregrp.com / doc/KM03775253