Risk Letters

Exploited vulnerability

CVE-2026-20133

TLP:CLEAR

Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability

Cisco Catalyst SD-WAN Manager contains an exposure of sensitive information to an unauthorized actor vulnerability that could allow remote attackers to view sensitive information on affected systems.

Facts

  • Vendor: Cisco
  • Product: Catalyst SD-WAN Manager
  • CVSS: 6.5
  • EPSS (probability of exploitation within 30 days): 31.5 %
  • On CISA's Known Exploited Vulnerabilities list since: 20 April 2026
  • First known exploitation: 20 April 2026
  • CISA's deadline for US federal agencies: 23 April 2026
  • Weakness: CWE-200
  • First seen by Risk Letters: 20 April 2026

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD