How severe is CVE-2014-2289?

CVE-2014-2289 has a CVSS 2.0 base score of 3.5, rated low severity.

Is CVE-2014-2289 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-2289?

CVE-2014-2289 primarily affects Digium Asterisk. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-2289?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-2289 published?

CVE-2014-2289 was published on 2014-04-18 and last updated on 2026-06-17.

CVE-2014-2289

CVE-2014-2289 is a low-severity vulnerability in Digium Asterisk with a CVSS 2.0 base score of 3.5. 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-20.

Key facts

Severity: Low (CVSS 2.0 base score 3.5)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Digium Asterisk
Published: 2014-04-18
Last modified: 2026-06-17

Description

res/res_pjsip_exten_state.c in the PJSIP channel driver in Asterisk Open Source 12.x before 12.1.0 allows remote authenticated users to cause a denial of service (crash) via a SUBSCRIBE request without any Accept headers, which triggers an invalid pointer dereference.

Frequently asked questions

What is CVE-2014-2289?: res/res_pjsip_exten_state.c in the PJSIP channel driver in Asterisk Open Source 12.x before 12.1.0 allows remote authenticated users to cause a denial of service (crash) via a SUBSCRIBE request without any Accept headers, which triggers an invalid pointer dereference.
How severe is CVE-2014-2289?: CVE-2014-2289 has a CVSS 2.0 base score of 3.5, rated low severity.
Is CVE-2014-2289 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2289?: CVE-2014-2289 primarily affects Digium Asterisk. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2289?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-2289 published?: CVE-2014-2289 was published on 2014-04-18 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:digium:asterisk:12.0.0:*:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:12.1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:12.1.0:rc2:*:*:*:*:*:*
cpe:2.3:a:digium:asterisk:12.1.0:rc3:*:*:*:*:*:*

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