CVE-2017-17090
HIGHEPSS 100th pctlDescription
An issue was discovered in chan_skinny.c in Asterisk Open Source 13.18.2 and older, 14.7.2 and older, and 15.1.2 and older, and Certified Asterisk 13.13-cert7 and older. If the chan_skinny (aka SCCP protocol) channel driver is flooded with certain requests, it can cause the asterisk process to use excessive amounts of virtual memory, eventually causing asterisk to stop processing requests of any kind.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
References
Related Vulnerabilities
Other CWE-459 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2021-39327 | Medium | 5.3 | 72% | - | - |
| CVE-2025-31650 | High | 7.5 | 60% | - | Fix |
| CVE-2022-1552 | High | 8.8 | 12% | - | Fix |
| CVE-2018-18924 | High | 8.8 | 9.5% | - | - |
| CVE-2022-21125 | Medium | 5.5 | 6.5% | - | Fix |
| CVE-2023-41835 | High | 7.5 | 6.3% | - | Fix |
Common questions
How do I fix CVE-2017-17090?
Upgrade asterisk on debian 11 to 1:13.18.3~dfsg-1 or later.
Is CVE-2017-17090 being actively exploited?
Not that we know of. CVE-2017-17090 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 81.5% is the estimated probability that it will be exploited in the next 30 days. That is higher than 100% of all scored CVEs.
How severe is CVE-2017-17090?
CVE-2017-17090 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2017-17090 affect?
Published advisories record a fix for asterisk (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.