CVE-2024-35190 | BDVDB-2026-236331 Detail

asteriskasterisk

Description#

Asterisk is an open source private branch exchange and telephony toolkit. After upgrade to 18.23.0, ALL unauthorized SIP requests are identified as PJSIP Endpoint of local asterisk server. This vulnerability is fixed in 18.23.1, 20.8.1, and 21.3.1.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-303 Incorrect Implementation of Authentication Algorithm
CWE-480 Use of Incorrect Operator
CWE-670 Always-Incorrect Control Flow Implementation

References#

Exploit#

No public exploit known

History#

Version 12024-05-17Record published in the CVE List.
Version 22024-08-02Most recent update recorded in the CVE List.

Published

Published: 2024-05-17
Last modified: 2024-08-02

Vendor information

Vendor: asterisk
Product: asterisk

All asterisk vulnerabilities

Score

5.8 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 47.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
= 21.3.0
Fixed
Not stated
Vulnerable
= 20.8.0
Fixed
Not stated
Vulnerable
= 18.23.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.8 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	Low
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).