CVE-2020-26074: high-severity vulnerability in Cisco Catalyst SD-WAN Manager
Cisco SD-WAN vManage Privilege Escalation Vulnerability
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.2%
A vulnerability in system file transfer functions of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to gain escalated privileges on the underlying operating system.
The vulnerability is due to improper validation of path input to the system file transfer functions. An attacker could exploit this vulnerability by sending requests that contain specially crafted path variables to the vulnerable system. A successful exploit could allow the attacker to overwrite arbitrary files, allowing the attacker to modify the system in such a way that could allow the attacker to gain escalated privileges.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/RL:X/RC:X/E:X
Affected products
Cisco · Cisco Catalyst SD-WAN ManagerRelated CVEs — Cisco Catalyst SD-WAN Manager
In the same product, most dangerous first.
CVE-2026-20182CRITICALCisco Catalyst SD-WAN Controller Authentication Bypass VulnerabilityEPSS 91.8%KEVCVE-2026-20127CRITICALCisco Catalyst SD-WAN Controller Authentication Bypass VulnerabilityEPSS 87.6%KEVCVE-2026-76504CRITICALCisco Catalyst SD-WAN Manager System Account Authorization Bypass VulnerabilityEPSS 38.9%KEVCVE-2026-20133MEDIUMCVE-2026-20133EPSS 35.3%KEVCVE-2026-20262MEDIUMCisco Catalyst SD-WAN Manager Arbitrary File Write VulnerabilityEPSS 29.1%KEVCVE-2026-20122MEDIUMCisco Catalyst SD-WAN Manager Arbitrary File Overwrite VulnerabilityEPSS 25.8%KEV