Cyber Resilience

CVE-2021-3535

Medium

Published: 16 June 2021

Published
16 June 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS Score 0.0023 45.5th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-3535 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Rapid7 Nexpose. Its CVSS base score is 4.3 (Medium).

Operationally, ranked at the 45.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Rapid7 Nexpose is vulnerable to a non-persistent cross-site scripting vulnerability affecting the Security Console's Filtered Asset Search feature. A specific search criterion and operator combination in Filtered Asset Search could have allowed a user to pass code through the provided…

more

search field. This issue affects version 6.6.80 and prior, and is fixed in 6.6.81. If your Security Console currently falls on or within this affected version range, ensure that you update your Security Console to the latest version.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

rapid7
nexpose
≤ 6.6.81

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References