CVE-2025-20336
CVSS 5.3 - MEDIUM
Description
A vulnerability in the directory permissions of Cisco Desk Phone 9800 Series, Cisco IP Phone 7800 and 8800 Series, and Cisco Video Phone 8875 could allow an unauthenticated, remote attacker to access sensitive information on an affected device. This vulnerability exists because the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. An attacker could exploit this vulnerability by sending a crafted packet to the IP address of a device that has Web Access enabled. A successful exploit could allow the attacker to access sensitive information from the device. Note: To exploit this vulnerability, Web Access must be enabled on the phone. Web Access is disabled by default.
Affected Products
50 of 65| Vendor | Product | Version |
|---|---|---|
| cisco | desk_phone_9841_firmware |
All versions
|
| cisco | desk_phone_9841 |
-
|
| cisco | desk_phone_9851_firmware |
All versions
|
| cisco | desk_phone_9851 |
-
|
| cisco | desk_phone_9861_firmware |
All versions
|
| cisco | desk_phone_9861 |
-
|
| cisco | desk_phone_9871_firmware |
All versions
|
| cisco | desk_phone_9871 |
-
|
| cisco | ip_phone_8841_firmware |
All versions
|
| cisco | ip_phone_8841_firmware |
14.3\(1\)
|
| cisco | ip_phone_8841_firmware |
14.3\(1\)
|
| cisco | ip_phone_8841 |
-
|
| cisco | ip_phone_7811_firmware |
All versions
|
| cisco | ip_phone_7811_firmware |
14.3\(1\)
|
| cisco | ip_phone_7811_firmware |
14.3\(1\)
|
| cisco | ip_phone_7811 |
-
|
| cisco | ip_phone_7821_firmware |
All versions
|
| cisco | ip_phone_7821_firmware |
14.3\(1\)
|
| cisco | ip_phone_7821_firmware |
14.3\(1\)
|
| cisco | ip_phone_7821 |
-
|
| cisco | ip_phone_7841_firmware |
All versions
|
| cisco | ip_phone_7841_firmware |
14.3\(1\)
|
| cisco | ip_phone_7841_firmware |
14.3\(1\)
|
| cisco | ip_phone_7841 |
-
|
| cisco | ip_phone_7861_firmware |
All versions
|
| cisco | ip_phone_7861_firmware |
14.3\(1\)
|
| cisco | ip_phone_7861_firmware |
14.3\(1\)
|
| cisco | ip_phone_7861 |
-
|
| cisco | ip_phone_8811_firmware |
All versions
|
| cisco | ip_phone_8811_firmware |
14.3\(1\)
|
| cisco | ip_phone_8811_firmware |
14.3\(1\)
|
| cisco | ip_phone_8811 |
-
|
| cisco | ip_phone_8845_firmware |
All versions
|
| cisco | ip_phone_8845_firmware |
14.3\(1\)
|
| cisco | ip_phone_8845_firmware |
14.3\(1\)
|
| cisco | ip_phone_8845 |
-
|
| cisco | ip_phone_8851_firmware |
All versions
|
| cisco | ip_phone_8851_firmware |
14.3\(1\)
|
| cisco | ip_phone_8851_firmware |
14.3\(1\)
|
| cisco | ip_phone_8851 |
-
|
| cisco | ip_phone_8851nr_firmware |
All versions
|
| cisco | ip_phone_8851nr_firmware |
14.3\(1\)
|
| cisco | ip_phone_8851nr_firmware |
14.3\(1\)
|
| cisco | ip_phone_8851nr |
-
|
| cisco | ip_phone_8861_firmware |
All versions
|
| cisco | ip_phone_8861_firmware |
14.3\(1\)
|
| cisco | ip_phone_8861_firmware |
14.3\(1\)
|
| cisco | ip_phone_8861 |
-
|
| cisco | ip_phone_8865_firmware |
All versions
|
| cisco | ip_phone_8865_firmware |
14.3\(1\)
|
Showing first 50 of 65 affected products.
Weakness Types
CWE-200
CVE Information
- CVE ID:
CVE-2025-20336- Published:
- 2025-09-03
- Modified:
- 2026-01-05
- CVSS Score:
- 5.3
- Severity:
- MEDIUM
- Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Vendors
cisco
Quick Actions
CVSS Severity Scale
0.0 - 3.9
LOW
4.0 - 6.9
MEDIUM
7.0 - 8.9
HIGH
9.0 - 10.0
CRITICAL