Vulnerability in Digium Asterisk
CVE-2016-7551
chain_sip in Asterisk Open Source 11.x before 11.23.1 and 13.x 13.11.1 and Certified Asterisk 11.6 before 11.6-cert15 and 13.8 before 13.8-cert3 allows remote attackers to cause a denial of service (port exhaustion).
EPSS: 0.066 (91.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Digium Asterisk — versions 11.0.0, 11.0.1, 11.0.2
- Digium Certified_asterisk — versions 11.6, 11.6.0, 13.8
- Debian Debian_linux — versions 8.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking)
- cve@mitre.org (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2016-7551?
- CVE-2016-7551 is a high-severity vulnerability in Digium Asterisk, classified under CWE-399. CVSS score: 7.5/10. Published 2017-04-17.
- How severe is CVE-2016-7551?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-7551 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.