CVE-2021-25657

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 17.1% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-09-02 01:05Z4 YR AGO

Last updated

2024-09-17 01:46Z1 YR AGO

Reserved

2021-01-21

Assigning CNA

avaya

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-269Improper Privilege ManagementClass

Data version

5.1

Document digest

704c6921b5aa042f7249f6d13a3427b47be8e7d1bd330977f5b2c6f8ecf12df7

• support.avaya.comhttps://support.avaya.com/css/P8/documents/101083319x_refsource_MISC
• github.comhttps://github.com/mandiant/Vulnerability-Disclosures/blob/master/2022/MNDT-2022-0037/MNDT-2022-0037.mdx_refsource_MISC