Is CVE-2021-25655 actively exploited?

No active exploitation of CVE-2021-25655 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-25655 be exploited remotely?

Yes. CVE-2021-25655 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-25655?

CVE-2021-25655 has a CVSS score of 6.1 (MEDIUM).

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MEDIUM

CVE-2021-25655

CWE-601Published: June 24, 2021· Updated: Jun 17, 2026

6.1

CVSS v3.1

Official Description

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).

NVD Source

Technical Analysis

CVE-2021-25655 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.