vulnwire
7.5high

CVE-2001-07511 exploit

Cisco switches and routers running CBOS 2.3.8 and earlier use predictable TCP Initial Sequence Numbers (ISN), which allows remote attackers…

Published 25 y ago · modified 4 mo ago · JSON

CVSS
7.5
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.6%
percentile 85%
Public exploits
1
Exploit-DB

Cisco switches and routers running CBOS 2.3.8 and earlier use predictable TCP Initial Sequence Numbers (ISN), which allows remote attackers to spoof or hijack TCP connections.

Exploit prediction (EPSS)

2.59% probability of exploitation in the next 30 days, higher than 85% of all scored CVEs.

Exploits and detections

  • EDB-19522 Linux Kernel 2.2 - Predictable TCP Initial Sequence Number · remote · 1999-09-27

CVSS scores

Assigned byVersionScoreVector
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

References

  • cisco.com /warp/public/707/CBOS-multiple2-pub.html · vendor-advisory, x_refsource_CISCO, x_transferred
  • exchange.xforce.ibmcloud.com /vulnerabilities/139 · vdb-entry, x_refsource_XF, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.