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| Vulnerability ID | VCID-va5x-1a53-m3g5 |
| Aliases |
CVE-2025-49832
|
| Summary | Asterisk is an open source private branch exchange and telephony toolkit. In versions up to and including 18.26.2, between 20.00.0 and 20.15.0, 20.7-cert6, 21.00.0, 22.00.0 through 22.5.0, there is a remote DoS and possible RCE condition in `asterisk/res/res_stir_shaken /verification.c` that can be exploited when an attacker can set an arbitrary Identity header, or STIR/SHAKEN is enabled, with verification set in the SIP profile associated with the endpoint to be attacked. This is fixed in versions 18.26.3, 20.7-cert6, 20.15.1, 21.10.1 and 22.5.1. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 5.9 |
| Risk | 3.0 |
| Affected and Fixed Packages | Package Details |
| CWE-476 | NULL Pointer Dereference |
| Reference id | Reference type | URL |
|---|---|---|
| https://api.first.org/data/v1/epss?cve=CVE-2025-49832 | ||
| https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-49832 | ||
| 1110317 | https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1110317 | |
| CVE-2025-49832 | https://nvd.nist.gov/vuln/detail/CVE-2025-49832 | |
| GHSA-mrq5-74j5-f5cr | https://github.com/asterisk/asterisk/security/advisories/GHSA-mrq5-74j5-f5cr |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Percentile | 0.37179 |
| EPSS Score | 0.00155 |
| Published At | Aug. 2, 2025, 12:55 p.m. |
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2025-08-02T08:53:51.854182+00:00 | Vulnrichment | Import | https://github.com/cisagov/vulnrichment/blob/develop/2025/49xxx/CVE-2025-49832.json | 37.0.0 |