CVE-2024-57520

CVE-2024-57520 is a critical-severity vulnerability in Sangoma Asterisk with a CVSS 3.x base score of 9.8. 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-732.

Key facts

Description

Insecure Permissions vulnerability in asterisk v22 allows a remote attacker to execute arbitrary code via the action_createconfig function. NOTE: this is disputed by the Supplier because the impact is limited to creating empty files outside of the Asterisk product directory (aka directory traversal) and the attack can only be performed by a privileged user who has the ability to manage the configuration.

Frequently asked questions

What is CVE-2024-57520?
Insecure Permissions vulnerability in asterisk v22 allows a remote attacker to execute arbitrary code via the action_createconfig function. NOTE: this is disputed by the Supplier because the impact is limited to creating empty files outside of the Asterisk product directory (aka directory traversal) and the attack can only be performed by a privileged user who has the ability to manage the configuration.
How severe is CVE-2024-57520?
CVE-2024-57520 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-57520 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-57520?
CVE-2024-57520 affects Sangoma Asterisk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-57520?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-57520 have an EU (EUVD) identifier?
Yes. CVE-2024-57520 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-53608.
When was CVE-2024-57520 published?
CVE-2024-57520 was published on 2025-02-05 and last updated on 2026-06-17.

References

Affected products (1)

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