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.
CVE-2024-35190
This medium-severity CVE scores 5.8 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 60% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.8
- EG Score
- 5.8(medium)
- EPSS
- 43.1%
- KEV
- Not listed
Published
May 17, 2024
Last Modified
August 26, 2025
References (8)
- security-advisories@githubhttps://github.com/asterisk/asterisk/commit/85241bd22936cc15760fd1f65d16c98be7aeaf6d
- security-advisories@githubhttps://github.com/asterisk/asterisk/pull/600
- security-advisories@githubhttps://github.com/asterisk/asterisk/pull/602
- security-advisories@githubhttps://github.com/asterisk/asterisk/security/advisories/GHSA-qqxj-v78h-hrf9
- af854a3a-2127-422b-91ae-364da2661108https://github.com/asterisk/asterisk/commit/85241bd22936cc15760fd1f65d16c98be7aeaf6d
- af854a3a-2127-422b-91ae-364da2661108https://github.com/asterisk/asterisk/pull/600
- af854a3a-2127-422b-91ae-364da2661108https://github.com/asterisk/asterisk/pull/602
- af854a3a-2127-422b-91ae-364da2661108https://github.com/asterisk/asterisk/security/advisories/GHSA-qqxj-v78h-hrf9
Weakness Classification(3)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:26 UTCEPSS rescore
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- 2026-06-23 21:32 UTCEPSS rescore
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- 2026-06-08 17:41 UTCOSV refresh
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- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-24 01:48 UTCEG score recompute
Frequently asked(5)
What is CVE-2024-35190?
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