Cyber Resilience

CVE-2021-25655

Medium

Published: 24 June 2021

Published
24 June 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
EPSS Score 0.0012 29.9th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-25655 is a medium-severity Open Redirect (CWE-601) vulnerability in Avaya Aura Experience Portal. Its CVSS base score is 4.4 (Medium).

Operationally, ranked at the 29.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability in the system Service Menu component of Avaya Aura Experience Portal may allow URL Redirection to any untrusted site through a crafted attack. Affected versions include 7.0 through 7.2.3 (without hotfix) and 8.0.0 (without hotfix).

CWE(s)
CWE-601

Related Threats

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

Affected Assets

avaya
aura experience portal
8.0.0 · 7.0 — 7.2.3

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