SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2024-8504

An attacker with authenticated access to VICIdial as an "agent" can execute arbitrary shell commands as the "root" user.

HIGH 8.8EPSS 76.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 76.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

An attacker with authenticated access to VICIdial as an "agent" can execute arbitrary shell commands as the "root" user. This attack can be chained with CVE-2024-8503 to execute arbitrary shell commands starting from an unauthenticated perspective.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
76.22% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Source
bbf0bd87-ece2-41be-b873-96928ee8fab9
EPSS trend
0%40%80%3 November 2026: 76.22%3 November 20263 November 2026

EPSS 76.2% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.