CVE-2018-0180 Cisco IOS Software Denial-of-Service
Unauthenticated remote attackers can trigger a system reload in Cisco IOS Login Block feature, causing denial of service.
- Exploited in the wild
- Since 3 Mar 2022
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-0180?
CVE-2018-0180 is a medium-severity denial of service vulnerability in Cisco Ios, published on 28 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS) condition. These vulnerabilities affect Cisco devices that are running Cisco IOS Software Release 15.4(2)T, 15.4(3)M, or 15.4(2)CG and later. Cisco Bug IDs: CSCuy32360, CSCuz60599.
Weakness: CWE-399
Which versions are affected by CVE-2018-0180?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2018-0180?
No fix has been published for CVE-2018-0180 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 17 Mar 2022.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-0180 being exploited?
Yes. Attackers have exploited CVE-2018-0180 in the wild since at least 3 Mar 2022.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-rfg9-33h6-7pq5.