Cyber Resilience

CVE-2021-25652

Medium

Published: 24 June 2021

Published
24 June 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0015 35.8th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-25652 is a medium-severity Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) vulnerability in Avaya Aura Appliance Virtualization Platform. Its CVSS base score is 4.9 (Medium).

Operationally, ranked at the 35.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An information disclosure vulnerability was discovered in the directory and file management of Avaya Aura Appliance Virtualization Platform Utilities (AVPU). This vulnerability may potentially allow any local user to access system functionality and configuration information that should only be available…

more

to a privileged user. Affects versions 8.0.0.0 through 8.1.3.1 of AVPU.

CWE(s)

Related Threats

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

Affected Assets

avaya
aura appliance virtualization platform
8.0.0.0 — 8.1.3.1

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.

addresses: CWE-668 CWE-200

Controls whether organization resources are exposed to external system spheres by permitting or prohibiting their use.

addresses: CWE-200 CWE-668

By enforcing authorization matching prior to sharing, the control reduces the risk of exposing sensitive information to unauthorized actors.

addresses: CWE-200 CWE-668

Review and removal of nonpublic information from publicly accessible systems directly prevents exposure of sensitive data to unauthorized actors.

addresses: CWE-200 CWE-668

Data mining protection mechanisms detect and block unauthorized bulk extraction of sensitive data, directly mitigating exposure to unauthorized actors.

addresses: CWE-200 CWE-668

Documenting information locations and authorized users enables better protection against unauthorized exposure of sensitive data.

addresses: CWE-200 CWE-668

Media marking ensures sensitive information on removable or system media is handled according to its classification, reducing the chance of inadvertent exposure to unauthorized actors.

addresses: CWE-200 CWE-668

Protecting and controlling media during external transport prevents exposure of sensitive information to unauthorized actors.

addresses: CWE-200 CWE-668

Assessing control effectiveness and providing incident communication channels at alternate sites reduces the likelihood of sensitive information exposure to unauthorized actors.

References