National Cyber Awareness System
Vulnerability Summary for CVE-2001-1469
Original release date:01/18/2001
The RC4 stream cipher as used by SSH1 allows remote attackers to modify messages without detection by XORing the original message's cyclic redundancy check (CRC) with the CRC of a mask consisting of all the bits of the original message that were modified.
CVSS Severity (version 2.0 incomplete approximation):
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification
References to Advisories, Solutions, and Tools
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US-CERT Vulnerability Note: VU#25309
External Source: XF