CVE-2020-3474 Cisco IOS XE Software Web Management Framework Vulnerabilities
Authenticated attackers with read-only privileges can access sensitive data or crash the web management interface in Cisco IOS XE.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-3474?
CVE-2020-3474 is a medium-severity missing authorization vulnerability in Cisco Ios Xe, published on 24 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Multiple vulnerabilities in the web management framework of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to gain unauthorized read access to sensitive data or cause the web management software to hang or crash, resulting in a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.
Which versions are affected by CVE-2020-3474?
It affects 1 product.
Products include Cisco Ios Xe.
How do I fix CVE-2020-3474?
No fix has been published for CVE-2020-3474 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-3474 being exploited?
There is no known exploitation of CVE-2020-3474 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xe
- CVE-2023-20198 Cisco IOS XE Web UI Privilege Escalation
- CVE-2018-0151 Cisco IOS Software and Cisco IOS XE Software Quality of Service Remote Code Execution
- CVE-2023-20273 Cisco IOS XE Web UI Command Injection
- CVE-2025-20188 Hardcoded credentials in Cisco IOS XE Software
- CVE-2021-34770 Cisco IOS XE Software for Catalyst 9000 Family Wireless Controllers CAPWAP Remote Code Execution Vulnerability
Sources
Also known as GHSA-g442-wmq5-w676.