CVE-2017-17090

Exp

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.

Published: 2017-12-02 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-17090 is rated High Exploit Risk (74.7/100): CVSS High severity, with high exploitation likelihood (EPSS 80.58%, 99th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2017-17090

EDB-ID Source Kind Published Link
43992 exploit_db edb 2018-02-07 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2017-17090

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-17 90.08% 80.58% -9.50%
2 2026-01-16 89.20% 90.08% +0.88%
3 2025-12-28 — 89.20% —

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-17090

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2017-17090

OS Trackers for CVE-2017-17090

vendor priority summary link
debian not yet assigned CVE-2017-17090 not yet assigned priority: Debian including 1 source packages (asterisk), 2 status rows across 2 suites (bullseye, sid): resolved 2. https://security-tracker.debian.org/tracker/CVE-2017-17090
ubuntu medium CVE-2017-17090 medium priority: Ubuntu including 1 source packages (asterisk), 21 status rows across 21 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial, zesty): not-affected 16, ignored 2, DNE 1, needed 1, released 1. https://ubuntu.com/security/CVE-2017-17090

Affected software / configurations for CVE-2017-17090

Vendor Product Version Raw CPE
digium certified_asterisk <= 13.13 cpe:2.3:a:digium:certified_asterisk:*:*:*:*:*:*:*:*
digium certified_asterisk 13.13 cpe:2.3:a:digium:certified_asterisk:13.13:cert1:*:*:*:*:*:*
digium certified_asterisk 13.13 cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc1:*:*:*:*:*:*
digium certified_asterisk 13.13 cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc2:*:*:*:*:*:*
digium certified_asterisk 13.13 cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc3:*:*:*:*:*:*
digium certified_asterisk 13.13 cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc4:*:*:*:*:*:*
digium certified_asterisk 13.13 cpe:2.3:a:digium:certified_asterisk:13.13:cert2:*:*:*:*:*:*
digium certified_asterisk 13.13 cpe:2.3:a:digium:certified_asterisk:13.13:cert3:*:*:*:*:*:*
digium certified_asterisk 13.13 cpe:2.3:a:digium:certified_asterisk:13.13:cert4:*:*:*:*:*:*
digium certified_asterisk 13.13 cpe:2.3:a:digium:certified_asterisk:13.13:cert5:*:*:*:*:*:*
digium certified_asterisk 13.13 cpe:2.3:a:digium:certified_asterisk:13.13:cert6:*:*:*:*:*:*
digium certified_asterisk 13.13 cpe:2.3:a:digium:certified_asterisk:13.13:cert7:*:*:*:*:*:*
digium asterisk <= 13.8.2 cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk <= 14.7.2 cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk <= 15.1.2 cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*

References for CVE-2017-17090

cvelogic Threat Intelligence