CVE-2019-1943 Cisco Small Business Series Switches Open Redirect Vulnerability
An unauthenticated remote attacker can redirect users to malicious sites via the web interface, facilitating phishing attacks on Cisco Small Business Switches.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-1943?
CVE-2019-1943 is a medium-severity vulnerability in Cisco Small Business 300 Series Managed Switches, published on 17 Jul 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-601
Which versions are affected by CVE-2019-1943?
It affects 57 products.
Products include Cisco Sf200-24 Firmware, Cisco Sf200-24fp Firmware, Cisco Sf200-24p Firmware, Cisco Sf200-48 Firmware, Cisco Sf200-48p Firmware, Cisco Sf300-08 Firmware and 51 more.
How do I fix CVE-2019-1943?
No fix has been published for CVE-2019-1943 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-1943 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-1943 exists.
Public exploit code: 1 Exploit-DB entry and 1 Nuclei template.
Other vulnerabilities in Cisco Small Business 300 Series Managed Switches
- CVE-2018-15439 Cisco Small Business Switches Privileged Access Vulnerability
- CVE-2020-3363 Cisco Small Business Smart and Managed Switches Denial of Service Vulnerability
- CVE-2020-3297 Cisco Small Business Smart and Managed Switches Session Management Vulnerability
- CVE-2019-12636 Cisco Small Business Smart and Managed Switches Cross-Site Request Forgery Vulnerability
- CVE-2019-15993 Cisco Small Business Switches Information Disclosure Vulnerability
Sources
Also known as GHSA-c4p7-9fgh-g95m.