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CVSS: 7.5EPSS: 0%CPEs: 8EXPL: 1

SSH before 2.0, with RC4 encryption and the "disallow NULL passwords" option enabled, makes it easier for remote attackers to guess portions of user passwords by replaying user sessions with certain modifications, which trigger different messages depending on whether the guess is correct or not. • http://www.kb.cert.org/vuls/id/565052 https://exchange.xforce.ibmcloud.com/vulnerabilities/6490 •

CVSS: 5.0EPSS: 0%CPEs: 8EXPL: 1

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. • http://www.kb.cert.org/vuls/id/25309 https://exchange.xforce.ibmcloud.com/vulnerabilities/6449 •

CVSS: 5.0EPSS: 0%CPEs: 8EXPL: 0

SSH before 2.0 disables host key checking when connecting to the localhost, which allows remote attackers to silently redirect connections to the localhost by poisoning the client's DNS cache. • http://www.kb.cert.org/vuls/id/786900 https://exchange.xforce.ibmcloud.com/vulnerabilities/6604 •

CVSS: 7.5EPSS: 0%CPEs: 8EXPL: 0

SSH before 2.0, when using RC4 and password authentication, allows remote attackers to replay messages until a new server key (VK) is generated. • http://www.kb.cert.org/vuls/id/665372 https://exchange.xforce.ibmcloud.com/vulnerabilities/6490 •

CVSS: 5.0EPSS: 0%CPEs: 8EXPL: 0

The IDEA cipher as implemented by SSH1 does not protect the final block of a message against modification, which allows remote attackers to modify the block without detection by changing its cyclic redundancy check (CRC) to match the modifications to the message. • http://www.kb.cert.org/vuls/id/315308 https://exchange.xforce.ibmcloud.com/vulnerabilities/6472 •