How severe is CVE-2017-9358?

CVE-2017-9358 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-9358 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9358?

CVE-2017-9358 primarily affects Sangoma Asterisk. In total, 50 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-9358?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-9358 published?

CVE-2017-9358 was published on 2017-06-02 and last updated on 2026-06-17.

CVE-2017-9358

CVE-2017-9358 is a high-severity vulnerability in Sangoma Asterisk with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-835.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-835
Affected product: Sangoma Asterisk
Published: 2017-06-02
Last modified: 2026-06-17

Description

A memory exhaustion vulnerability exists in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1 and Certified Asterisk 13.13 before 13.13-cert4, which can be triggered by sending specially crafted SCCP packets causing an infinite loop and leading to memory exhaustion (by message logging in that loop).

Frequently asked questions

What is CVE-2017-9358?: A memory exhaustion vulnerability exists in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1 and Certified Asterisk 13.13 before 13.13-cert4, which can be triggered by sending specially crafted SCCP packets causing an infinite loop and leading to memory exhaustion (by message logging in that loop).
How severe is CVE-2017-9358?: CVE-2017-9358 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-9358 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9358?: CVE-2017-9358 primarily affects Sangoma Asterisk. In total, 50 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-9358?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-9358 published?: CVE-2017-9358 was published on 2017-06-02 and last updated on 2026-06-17.

References

Affected products (50)

cpe:2.3:a:sangoma:asterisk:13.0.0:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.1.0:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.1.0:rc2:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.2.0:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.2.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.3.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.4.0:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.4.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.5.0:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.6.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.7.0:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.7.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.8.0:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.8.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.8.1:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.8.2:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.9.0:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.9.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.10.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.11.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.12.0:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.12.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.12.1:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.12.2:*:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.13.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.14.0:rc1:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:13.15.0:rc1:*:*:*:*:*:*
cpe:2.3:a:asterisk:certified_asterisk:13.13.0:*:*:*:*:*:*:*
cpe:2.3:a:asterisk:certified_asterisk:13.13.0:cert1:*:*:*:*:*:*
cpe:2.3:a:asterisk:certified_asterisk:13.13.0:cert1-rc1:*:*:*:*:*:*
cpe:2.3:a:asterisk:certified_asterisk:13.13.0:cert1-rc2:*:*:*:*:*:*
cpe:2.3:a:asterisk:certified_asterisk:13.13.0:cert1-rc3:*:*:*:*:*:*
cpe:2.3:a:asterisk:certified_asterisk:13.13.0:cert1-rc4:*:*:*:*:*:*
cpe:2.3:a:asterisk:certified_asterisk:13.13.0:cert2:*:*:*:*:*:*
cpe:2.3:a:asterisk:certified_asterisk:13.13.0:cert3:*:*:*:*:*:*
cpe:2.3:a:asterisk:certified_asterisk:13.13.0:rc1:*:*:*:*:*:*
cpe:2.3:a:asterisk:certified_asterisk:13.13.0:rc2:*:*:*:*:*:*
cpe:2.3:a:sangoma:asterisk:14.0.0:*:*:*:*:*:*:*

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