CVE-2026-20128
Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability
Basic Information
- CVE State
- PUBLISHED
- Reserved Date
- October 08, 2025
- Published Date
- February 25, 2026
- Last Updated
- April 21, 2026
- Vendor
- Cisco
- Product
- Cisco Catalyst SD-WAN Manager
- Description
- A vulnerability in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain DCA user privileges on an affected system. This vulnerability is due to the presence of a credential file for the DCA user on an affected system. An attacker could exploit this vulnerability by sending a crafted HTTP request and reading the file that contains the DCA password from that affected system. A successful exploit could allow the attacker to access another affected system and gain DCA user privileges. Note: Cisco Catalyst SD-WAN Manager releases 20.18 and later are not affected by this vulnerability.
- Tags
- Exploitation
- active
- Technical Impact
- total
- Exploited in the Wild
- Yes (2026-06-01 13:22:22 UTC) Source
cisa
CVSS Scores
CVSS v3.1
7.5 - HIGH
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
SSVC Information
Exploit Status
Known Exploited Vulnerability Information
| Source | Added Date |
|---|---|
| CVE | 2026-06-01 13:22:22 UTC |
Timeline
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CVE ID Reserved
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CVE Published to Public
-
Added to KEVIntel