CVE-2004-1464 Cisco IOS Denial-of-Service
Remote attackers can cause a denial of service by refusing VTY connections via crafted TCP traffic to Telnet ports on Cisco IOS devices.
- Exploited in the wild
- Since 19 May 2023
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2004-1464?
CVE-2004-1464 is a medium-severity denial of service vulnerability in Cisco Ios, published on 13 Feb 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS 12.2(15) and earlier allows remote attackers to cause a denial of service (refused VTY (virtual terminal) connections), via a crafted TCP connection to the Telnet or reverse Telnet port.
Weakness: CWE-400
Which versions are affected by CVE-2004-1464?
It affects 1 product.
Products include Cisco Ios.
How do I fix CVE-2004-1464?
No fix has been published for CVE-2004-1464 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 9 Jun 2023.
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-2004-1464 being exploited?
Yes. Attackers have exploited CVE-2004-1464 in the wild since at least 19 May 2023.
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-7757-mj68-c29v.