How severe is CVE-2014-8416?

CVE-2014-8416 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-8416 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8416?

CVE-2014-8416 affects Digium Asterisk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-8416?

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

When was CVE-2014-8416 published?

CVE-2014-8416 was published on 2014-11-24 and last updated on 2026-06-17.

CVE-2014-8416

CVE-2014-8416 is a medium-severity vulnerability in Digium Asterisk with a CVSS 2.0 base score of 5.0. 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: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Digium Asterisk
Published: 2014-11-24
Last modified: 2026-06-17

Description

Use-after-free vulnerability in the PJSIP channel driver in Asterisk Open Source 12.x before 12.7.1 and 13.x before 13.0.1, when using the res_pjsip_refer module, allows remote attackers to cause a denial of service (crash) via an in-dialog INVITE with Replaces message, which triggers the channel to be hung up.

Frequently asked questions

What is CVE-2014-8416?: Use-after-free vulnerability in the PJSIP channel driver in Asterisk Open Source 12.x before 12.7.1 and 13.x before 13.0.1, when using the res_pjsip_refer module, allows remote attackers to cause a denial of service (crash) via an in-dialog INVITE with Replaces message, which triggers the channel to be hung up.
How severe is CVE-2014-8416?: CVE-2014-8416 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-8416 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-8416?: CVE-2014-8416 affects Digium Asterisk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-8416?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-8416 published?: CVE-2014-8416 was published on 2014-11-24 and last updated on 2026-06-17.

References

http://downloads.asterisk.org/pub/security/AST-2014-016.html

Affected products (1)

cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*

More vulnerabilities in Digium Asterisk

CVE-2022-26651 — Critical (CVSS 9.8): An issue was discovered in Asterisk through 19.x and Certified Asterisk through 16.8-cert13. The func_odbc module…
CVE-2017-14100 — Critical (CVSS 9.8): In Asterisk 11.x before 11.25.2, 13.x before 13.17.1, and 14.x before 14.6.1 and Certified Asterisk 11.x before…
CVE-2022-26499 — Critical (CVSS 9.1): An SSRF issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it's possible to send arbitrary requests…
CVE-2014-8418 — Critical (CVSS 9.0): The DB dialplan function in Asterisk Open Source 1.8.x before 1.8.32, 11.x before 11.1.4.1, 12.x before 12.7.1, and…
CVE-2011-1599 — Critical (CVSS 9.0): manager.c in the Manager Interface in Asterisk Open Source 1.4.x before 1.4.40.1, 1.6.1.x before 1.6.1.25, 1.6.2.x…
CVE-2019-18610 — High (CVSS 8.8): An issue was discovered in manager.c in Sangoma Asterisk through 13.x, 16.x, 17.x and Certified Asterisk 13.21 through…

All CVEs affecting Digium Asterisk →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →