Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2021-32558 Details

Description

An issue was discovered in Sangoma Asterisk 13.x before 13.38.3, 16.x before 16.19.1, 17.x before 17.9.4, and 18.x before 18.5.1, and Certified Asterisk before 16.8-cert10. If the IAX2 channel driver receives a packet that contains an unsupported media format, a crash can occur.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://packetstormsecurity.com/files/163639/Asterisk-Project-Security-Advisory-AST-2021-008.html CVEPatchThird Party AdvisoryVDB Entry
https://downloads.asterisk.org/pub/security/AST-2021-008.html CVEPatchVendor Advisory
http://seclists.org/fulldisclosure/2021/Jul/49 CVEMailing ListPatchThird Party Advisory
https://issues.asterisk.org/jira/browse/ASTERISK-29392 CVEExploitIssue TrackingPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00005.html CVEMailing ListThird Party Advisory

see all 12 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')[email protected]

Affected Products

ProductVersions
digium asterisk
>= 13.0.0, < 13.38.3
>= 16.0.0, < 16.19.1
>= 17.0.0, < 17.9.4
>= 18.0.0, < 18.15.1

CPE

  • cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
digium certified asterisk
16.8 -
16.8 cert1-rc1
16.8 cert1-rc2
16.8 cert1-rc3
16.8 cert1-rc4

CPE

  • cpe:2.3:a:digium:certified_asterisk:16.8:-:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc1:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc2:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc3:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert1-rc4:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert2:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert3:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert4:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc1:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc2:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc3:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert4-rc4:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert5:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert6:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert7:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert8:*:*:*:*:*:*
  • cpe:2.3:a:digium:certified_asterisk:16.8:cert9:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
9.0
11.0

CPE

  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-32558
NVD Published Date:
Jul 30, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-32558 Details - Not Deferred