CVE-2021-46837

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

4.67% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 91.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2022-08-30 00:00Z4 YR AGO

Last updated

2024-08-04 05:17Z2 YR AGO

Reserved

2022-08-30

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

152a8449da1ba95af353554b1dd51eff71e2b5d2bda476e36521f09abb5dda47

• downloads.asterisk.orghttps://downloads.asterisk.org/pub/security/AST-2021-006.html
• lists.debian.org[debian-lts-announce] 20221117 [SECURITY] [DLA 3194-1] asterisk security updatehttps://lists.debian.org/debian-lts-announce/2022/11/msg00021.htmlmailing-list
• www.debian.orgDSA-5285https://www.debian.org/security/2022/dsa-5285vendor-advisory