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Fencer Vulns
medium 5.8

CVE-2024-35190 json

Asterisk' res_pjsip_endpoint_identifier_ip: wrongly matches ALL unauthorized SIP requests

published 2024-05-17 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-35231

cvss
5.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

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.

Patch / fix

  • asterisk asterisk 18.23.1, 20.8.1, 21.3.1
  • asterisk open_source 18.23.1, 20.8.1, 21.3.1
  • digium asterisk 18.23.1, 20.8.1, 21.3.1
  • sangoma asterisk 18.23.1, 20.8.1, 21.3.1
  • sangoma certified_asterisk 18.23.1, 20.8.1, 21.3.1
  • asterisk Alpine 3.18, Alpine 3.17 18.24.3-r0
  • asterisk Alpine 3.19 20.9.3-r0
  • asterisk Alpine 3.24, Alpine 3.23, Alpine 3.22 +2 more 20.8.1-r0

alpine advisories ALPINE-CVE-2024-35190

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-35190 updated cvss 5.8

asterisk: wrongly matches ALL unauthorized SIP requests

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/asterisk/asterisk/security/advisories/GHSA-qqxj-v78h-hrf9 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

  • asterisk asterisk

Classification

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

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.