CVE-2004-1464 is a vulnerability in Cisco Internetwork Operating System (IOS)
Published on December 31, 2004
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.
Known Exploited Vulnerability
This Cisco IOS Denial-of-Service Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Cisco IOS contains an unspecified vulnerability that may block further telnet, reverse telnet, Remote Shell (RSH), Secure Shell (SSH), and in some cases, Hypertext Transport Protocol (HTTP) access to the Cisco device.
The following remediation steps are recommended / required by June 9, 2023: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2004-1464 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2004-1464 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2004-1464
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.