Predictable TCP Initial Sequence Numbers in Cisco Network Devices
CVE-2001-0751

Currently unrated

Key Information:

Vendor

Cisco
Status
Cbos
Vendor
CVE Published:
18 October 2001

What is CVE-2001-0751?

Cisco switches and routers running CBOS version 2.3.8 and earlier utilize predictable TCP Initial Sequence Numbers (ISNs). This predictability can be exploited by remote attackers, enabling them to spoof or hijack TCP connections, ultimately compromising the integrity and security of communications over the network.

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References

http://www.cisco.com/warp/public/707/CBOS-multiple2-pub.html
vendor-advisoryx_refsource_CISCO
https://exchange.xforce.ibmcloud.com/vulnerabilities/139
vdb-entryx_refsource_XF

EPSS Score

10% chance of being exploited in the next 30 days.

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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