CVE-2025-20158
Last modified
CVE-2025-20158 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. A vulnerability in the debug shell of Cisco Video Phone 8875 and Cisco Desk Phone 9800 Series could allow an authenticated, local attacker to access sensitive information on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials with SSH access on the affected device. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
Description
A vulnerability in the debug shell of Cisco Video Phone 8875 and Cisco Desk Phone 9800 Series could allow an authenticated, local attacker to access sensitive information on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials with SSH access on the affected device. SSH access is disabled by default. This vulnerability is due to insufficient validation of user-supplied input by the debug shell of an affected device. An attacker could exploit this vulnerability by sending a crafted SSH client command to the CLI. A successful exploit could allow the attacker to access sensitive information on the underlying operating system.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Video Phone 8875 Firmware | < 3.3\(1\) |
| Cisco | Desk Phone 9871 Firmware | < 3.3\(1\) |
| Cisco | Desk Phone 9841 Firmware | < 3.3\(1\) |
| Cisco | Desk Phone 9851 Firmware | < 3.3\(1\) |
| Cisco | Desk Phone 9861 Firmware | < 3.3\(1\) |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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