- High 7.5
- Known exploited (CISA KEV)
CVE-2026-20128
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 r…
Scores
The facts
- Published
- 25 February 2026
- Last changed
- 17 June 2026
- NVD status
- Analyzed
- Severity
- High, CVSS 7.5 out of 10 (version 3.1)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- Affects
- cisco catalyst sd-wan manager
- Known exploited
- Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 20 April 2026.
- EPSS
- 7.2% chance of exploitation activity in the next 30 days (percentile 94).
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