SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-34821

Cross Site Scripting (XSS) vulnerability exists in AAT Novus Management System through 1.51.2.

MEDIUM 6.1EPSS 0.82%

Does this matter?

Lower severity and a low EPSS score (0.82%). Track it; it rarely justifies an emergency change on its own.

Description

Cross Site Scripting (XSS) vulnerability exists in AAT Novus Management System through 1.51.2. The WebUI has wrong HTTP 404 error handling implemented. A remote, unauthenticated attacker may be able to exploit the issue by sending malicious HTTP requests to non-existing URIs. The value of the URL path filename is copied into the HTML document as plain text tags.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.82% probability · 55th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
aat/novus management system
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.