Cyber Resilience

CVE-2021-28121

Critical

Published: 12 August 2021

Published
12 August 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0098 77.1th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28121 is a critical-severity an unspecified weakness vulnerability in Virtual Robots.Txt Project Virtual Robots.Txt. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 22.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Virtual Robots.txt before 1.10 does not block HTML tags in the robots.txt field.

CWE(s)
NVD-CWE-noinfo

Related Threats

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

Affected Assets

virtual robots.txt project
virtual robots.txt
≤ 1.10

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References