How severe is CVE-2021-25657?

CVE-2021-25657 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-25657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25657?

CVE-2021-25657 primarily affects Avaya Ip Office. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-25657?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-25657 published?

CVE-2021-25657 was published on 2022-09-02 and last updated on 2026-06-17.

CVE-2021-25657

CVE-2021-25657 is a high-severity vulnerability in Avaya Ip Office with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Avaya Ip Office
Published: 2022-09-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-25657?: 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.
How severe is CVE-2021-25657?: CVE-2021-25657 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-25657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25657?: CVE-2021-25657 primarily affects Avaya Ip Office. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-25657?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-25657 published?: CVE-2021-25657 was published on 2022-09-02 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:avaya:ip_office:*:*:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office:11.1:-:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office:11.1:feature_pack1:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office:11.1:feature_pack1_service_pack1:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office:11.1:feature_pack2:*:*:*:*:*:*
cpe:2.3:a:avaya:ip_office:11.1:feature_pack2_service_pack1:*:*:*:*:*:*

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