CVE-2019-1943

Cisco Small Business Series Switches Open Redirect Vulnerability

MEDIUM
4.7
CVSS Score
Published: July 17, 2019 at 08:30 PM UTC
Updated: June 17, 2026 at 02:29 AM UTC
115 products affected across 1 vendorSg300-10pp FirmwareSg300-28mp FirmwareSf300-48pp Firmware

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Severity
MEDIUM4.7
Exploit prediction
EPSS 10%
SSVC
No known exploit

Description

A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Switches software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this vulnerability by intercepting a user's HTTP request and modifying it into a request that causes the web interface to redirect the user to a specific malicious URL. This type of vulnerability is known as an open redirect attack and is used in phishing attacks that get users to unknowingly visit malicious sites.

Affected

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

All versions
cisco-sf200-24 (same device)
All versions
cisco-sf200-24fp (same device)
All versions
cisco-sf200-24p (same device)
All versions
cisco-sf200-48 (same device)
All versions
cisco-sf200-48p (same device)
cisco-sf300-08 (same device)
cisco-sf300-24 (same device)
cisco-sf300-24mp (same device)
cisco-sf300-24p (same device)
cisco-sf300-24pp (same device)

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

4.7MEDIUMcisco
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-601

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