cve.bz

CVE-2026-20128

7.5 highKEVEPSS 7.3%

High (7.5) in Cisco Catalyst SD-WAN Manager. In CISA KEV since 2026-04-20. EPSS 7.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS
7.3% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
CISA KEV
listed 2026-04-20, due 2026-04-23
CWE
CWE-257
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON