9.8

CVE-2026-20129

Warnung
Medienbericht

Cisco Catayst SD-WAN Authentication Bypass Vulnerability

A vulnerability in the API user authentication of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain access to an affected system as a user who has the netadmin role.

The vulnerability is due to improper authentication for requests that are sent to the API. An attacker could exploit this vulnerability by sending a crafted request to the API of an affected system. A successful exploit could allow the attacker to execute commands with the privileges of the netadmin role.
Note: Cisco Catalyst SD-WAN Manager releases 20.18 and later are not affected by this vulnerability. 
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cisco ≫ Catalyst Sd-wan Manager Version < 20.9.8.2
Cisco ≫ Catalyst Sd-wan Manager Version >= 20.11 < 20.12.5.3
Cisco ≫ Catalyst Sd-wan Manager Version >= 20.13 < 20.15.4.2
Cisco ≫ Catalyst Sd-wan Manager Version >= 20.16 < 20.18
Cisco ≫ Catalyst Sd-wan Manager Version20.12.6
VulnDex Vulnerability Enrichment
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.07% 0.219
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
psirt@cisco.com 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.