Cyber Resilience

CVE-2021-22098

Medium

Published: 11 August 2021

Published
11 August 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0027 50.9th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22098 is a medium-severity Open Redirect (CWE-601) vulnerability in Cloudfoundry Cf-Deployment. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 49.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

UAA server versions prior to 75.4.0 are vulnerable to an open redirect vulnerability. A malicious user can exploit the open redirect vulnerability by social engineering leading to take over of victims’ accounts in certain cases along with redirection of UAA…

more

users to a malicious sites.

CWE(s)
CWE-601

Related Threats

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

Affected Assets

cloudfoundry
cf-deployment
≤ 16.20.0
cloudfoundry
user account and authentication
≤ 75.5.0

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.

AT-2 Literacy Training and Awareness
addresses: CWE-601

Security awareness includes verifying URLs and avoiding untrusted redirects that lead to malicious sites.

SI-10 Information Input Validation
addresses: CWE-601

Validates redirect targets and URLs to ensure they conform to allowed destinations.

References