HOMEVULNERABILITIESCVE-2021-25657
HIGH

CVE-2021-25657

CWE-269Published: September 2, 2022· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

A privilege escalation vulnerability was discovered in Avaya IP Office Admin Lite and USB Creator that may potentially allow a local user to escalate privileges. This issue affects Admin Lite and USB Creator 11.1 Feature Pack 2 Service Pack 1 and earlier versions.

NVD Source

Technical Analysis

CVE-2021-25657 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

avaya1 product(s)
ip office
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://support.avaya.com/css/P8/documents/101083319
PATCHhttps://support.avaya.com/css/P8/documents/101083319
ADVISORYhttps://github.com/mandiant/Vulnerability-Disclosures/blob/master/2022/MNDT-2022-0037/MNDT-2022-0037.md
ADVISORYhttps://github.com/mandiant/Vulnerability-Disclosures/blob/master/2022/MNDT-2022-0037/MNDT-2022-0037.md

All References (4)

→
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2022/MNDT-2022-0037/MNDT-2022-0037.mdExploit · Third Party Advisory
→
https://support.avaya.com/css/P8/documents/101083319Patch · Vendor Advisory
→
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2022/MNDT-2022-0037/MNDT-2022-0037.mdExploit · Third Party Advisory
→
https://support.avaya.com/css/P8/documents/101083319Patch · Vendor Advisory

Quick Facts

CVE IDCVE-2021-25657
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-269
CISA KEVNo
Affected1 vendor(s)
PublishedSep 2, 2022

Related CVEs (CWE-269)

CVE-2021-1388
10.0
CVE-2025-0505
10.0
CVE-2022-24783
10.0
CVE-2018-4310
10.0
CVE-2024-6240
10.0
CVE-2026-31852
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-25657 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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