CVE-2026-20128

Summary

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.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Catalyst SD-WAN Manager20.1.12affected
CiscoCisco Catalyst SD-WAN Manager19.2.1affected
CiscoCisco Catalyst SD-WAN Manager18.4.4affected
CiscoCisco Catalyst SD-WAN Manager18.4.5affected
CiscoCisco Catalyst SD-WAN Manager20.1.1.1affected
CiscoCisco Catalyst SD-WAN Manager20.1.1affected
CiscoCisco Catalyst SD-WAN Manager19.3.0affected
CiscoCisco Catalyst SD-WAN Manager19.2.2affected
CiscoCisco Catalyst SD-WAN Manager19.2.099affected
CiscoCisco Catalyst SD-WAN Manager18.3.6affected
CiscoCisco Catalyst SD-WAN Manager18.3.7affected
CiscoCisco Catalyst SD-WAN Manager19.2.0affected
CiscoCisco Catalyst SD-WAN Manager18.3.8affected
CiscoCisco Catalyst SD-WAN Manager19.0.0affected
CiscoCisco Catalyst SD-WAN Manager19.1.0affected
CiscoCisco Catalyst SD-WAN Manager18.4.302affected
CiscoCisco Catalyst SD-WAN Manager18.4.303affected
CiscoCisco Catalyst SD-WAN Manager19.2.097affected
CiscoCisco Catalyst SD-WAN Manager19.2.098affected
CiscoCisco Catalyst SD-WAN Manager17.2.10affected
CiscoCisco Catalyst SD-WAN Manager18.3.6.1affected
CiscoCisco Catalyst SD-WAN Manager19.0.1aaffected
CiscoCisco Catalyst SD-WAN Manager18.2.0affected
CiscoCisco Catalyst SD-WAN Manager18.4.3affected
CiscoCisco Catalyst SD-WAN Manager18.4.1affected
CiscoCisco Catalyst SD-WAN Manager17.2.8affected
CiscoCisco Catalyst SD-WAN Manager18.3.3.1affected
CiscoCisco Catalyst SD-WAN Manager18.4.0affected
CiscoCisco Catalyst SD-WAN Manager18.3.1affected
CiscoCisco Catalyst SD-WAN Manager17.2.6affected
CiscoCisco Catalyst SD-WAN Manager17.2.9affected
CiscoCisco Catalyst SD-WAN Manager18.3.4affected
CiscoCisco Catalyst SD-WAN Manager17.2.5affected
CiscoCisco Catalyst SD-WAN Manager18.3.1.1affected
CiscoCisco Catalyst SD-WAN Manager18.3.5affected
CiscoCisco Catalyst SD-WAN Manager18.4.0.1affected
CiscoCisco Catalyst SD-WAN Manager18.3.3affected
CiscoCisco Catalyst SD-WAN Manager17.2.7affected
CiscoCisco Catalyst SD-WAN Manager18.3.0affected
CiscoCisco Catalyst SD-WAN Manager19.2.3affected
CiscoCisco Catalyst SD-WAN Manager18.4.501_ESaffected
CiscoCisco Catalyst SD-WAN Manager20.3.1affected
CiscoCisco Catalyst SD-WAN Manager20.1.2affected
CiscoCisco Catalyst SD-WAN Manager19.2.929affected
CiscoCisco Catalyst SD-WAN Manager19.2.31affected
CiscoCisco Catalyst SD-WAN Manager20.3.2affected
CiscoCisco Catalyst SD-WAN Manager19.2.32affected
CiscoCisco Catalyst SD-WAN Manager20.3.2.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.2.1_927affected
CiscoCisco Catalyst SD-WAN Manager18.4.6affected
CiscoCisco Catalyst SD-WAN Manager20.3.2_928affected
CiscoCisco Catalyst SD-WAN Manager20.3.2_929affected
CiscoCisco Catalyst SD-WAN Manager20.4.1.0.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.2.1_930affected
CiscoCisco Catalyst SD-WAN Manager19.2.4affected
CiscoCisco Catalyst SD-WAN Manager20.5.0.1.1affected
CiscoCisco Catalyst SD-WAN Manager20.4.1.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.3affected
CiscoCisco Catalyst SD-WAN Manager19.2.4.0.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.2_937affected
CiscoCisco Catalyst SD-WAN Manager20.5.1affected
CiscoCisco Catalyst SD-WAN Manager20.1.3affected
CiscoCisco Catalyst SD-WAN Manager20.3.3.0.4affected
CiscoCisco Catalyst SD-WAN Manager20.3.3.1.2affected
CiscoCisco Catalyst SD-WAN Manager20.3.3.1.1affected
CiscoCisco Catalyst SD-WAN Manager20.4.1.2affected
CiscoCisco Catalyst SD-WAN Manager20.3.3.0.2affected
CiscoCisco Catalyst SD-WAN Manager20.4.1.1.5affected
CiscoCisco Catalyst SD-WAN Manager20.4.1.0.02affected
CiscoCisco Catalyst SD-WAN Manager20.3.3.1.7affected
CiscoCisco Catalyst SD-WAN Manager20.3.3.1.5affected
CiscoCisco Catalyst SD-WAN Manager20.5.1.0.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.3.1.10affected
CiscoCisco Catalyst SD-WAN Manager20.3.3.0.8affected
CiscoCisco Catalyst SD-WAN Manager20.4.2affected
CiscoCisco Catalyst SD-WAN Manager20.3.4affected
CiscoCisco Catalyst SD-WAN Manager20.3.3.0.14affected
CiscoCisco Catalyst SD-WAN Manager19.2.4.0.8affected
CiscoCisco Catalyst SD-WAN Manager19.2.4.0.9affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.0.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.2.0.5affected
CiscoCisco Catalyst SD-WAN Manager20.5.1.0.2affected
CiscoCisco Catalyst SD-WAN Manager20.6.1.1affected
CiscoCisco Catalyst SD-WAN Manager20.6.0.18.3affected
CiscoCisco Catalyst SD-WAN Manager20.3.2.0.6affected
CiscoCisco Catalyst SD-WAN Manager20.6.0.18.4affected
CiscoCisco Catalyst SD-WAN Manager20.4.2.0.2affected
CiscoCisco Catalyst SD-WAN Manager20.3.3.0.16affected
CiscoCisco Catalyst SD-WAN Manager20.6.1.0.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.0.6affected
CiscoCisco Catalyst SD-WAN Manager20.7.1EFT2affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.0.9affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.0.11affected
CiscoCisco Catalyst SD-WAN Manager20.3.3.0.18affected
CiscoCisco Catalyst SD-WAN Manager20.6.2.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.1affected
CiscoCisco Catalyst SD-WAN Manager20.4.2.1affected
CiscoCisco Catalyst SD-WAN Manager20.4.2.1.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.1.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.813affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.0.19affected
CiscoCisco Catalyst SD-WAN Manager20.4.2.2.1affected
CiscoCisco Catalyst SD-WAN Manager20.5.1.2affected
CiscoCisco Catalyst SD-WAN Manager20.3.814affected
CiscoCisco Catalyst SD-WAN Manager20.4.2.2affected
CiscoCisco Catalyst SD-WAN Manager20.6.2.2affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.2.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.1.2affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.0.20affected
CiscoCisco Catalyst SD-WAN Manager20.6.2.2.3affected
CiscoCisco Catalyst SD-WAN Manager20.4.2.2.2affected
CiscoCisco Catalyst SD-WAN Manager20.6.2.0.4affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.0.24affected
CiscoCisco Catalyst SD-WAN Manager20.6.2.2.7affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.2.2affected
CiscoCisco Catalyst SD-WAN Manager20.4.2.2.4affected
CiscoCisco Catalyst SD-WAN Manager20.3.5.0.8affected
CiscoCisco Catalyst SD-WAN Manager20.3.5.0.9affected
CiscoCisco Catalyst SD-WAN Manager20.3.5.0.7affected
CiscoCisco Catalyst SD-WAN Manager20.6.3.0.2affected
CiscoCisco Catalyst SD-WAN Manager20.9.1EFT2affected
CiscoCisco Catalyst SD-WAN Manager20.3.6affected
CiscoCisco Catalyst SD-WAN Manager20.3.7affected
CiscoCisco Catalyst SD-WAN Manager20.4.2.3affected
CiscoCisco Catalyst SD-WAN Manager20.3.5.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.3affected
CiscoCisco Catalyst SD-WAN Manager20.3.3.2affected
CiscoCisco Catalyst SD-WAN Manager20.3.7.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.4.0.25affected
CiscoCisco Catalyst SD-WAN Manager20.6.2.2.4affected
CiscoCisco Catalyst SD-WAN Manager20.6.1.2affected
CiscoCisco Catalyst SD-WAN Manager20.1.3.1affected
CiscoCisco Catalyst SD-WAN Manager20.6.5.1.4affected
CiscoCisco Catalyst SD-WAN Manager20.3.8affected
CiscoCisco Catalyst SD-WAN Manager20.12.501affected
CiscoCisco Catalyst SD-WAN Manager26.1.1affected

Weaknesses

  • CWE-257: Storing Passwords in a Recoverable Format

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: active
    • Automatable: no
    • Technical Impact: total

Additional References

References