CVE-2020-3437

Cisco SD-WAN vManage Software Information Disclosure Vulnerability

MEDIUM
6.5
CVSS Score
Published: July 16, 2020 at 05:22 PM UTC
Updated: June 17, 2026 at 03:18 AM UTC
2 products affected across 1 vendorSd WAN FirmwareCisco SD-WAN vManage

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Severity
MEDIUM6.5
Exploit prediction
EPSS 3%
SSVC
No known exploit

Description

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying filesystem of the device. The vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the filesystem and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the filesystem of the underlying operating system.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 19.2.3
Affected range stops below 19.2.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-59

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