Cyber Resilience

CVE-2021-35300

Medium

Published: 28 June 2021

Published
28 June 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS Score 0.0040 61.1th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-35300 is a medium-severity Improper Restriction of Rendered UI Layers or Frames (CWE-1021) vulnerability in Zammad Zammad. Its CVSS base score is 4.3 (Medium).

Operationally, ranked in the top 38.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Text injection/Content Spoofing in 404 page in Zammad 1.0.x up to 4.0.0 could allow remote attackers to manipulate users into visiting the attackers' page.

CWE(s)
CWE-1021

Related Threats

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

Affected Assets

zammad
zammad
1.0.0 — 4.0.0

Mitigating Controls

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

References