// For flags

CVE-2001-0751

Linux Kernel 2.2 - Predictable TCP Initial Sequence Number

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Conmutadores y routers Cisco corriendo CBOS 2.3.8 usan números iniciales de secuencia TCP (ISN) predecibles, lo que permite a un atacante remoto secuestrar o falsificar conexiones TCP;

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 1999-09-27 First Exploit
  • 2001-10-12 CVE Reserved
  • 2001-10-18 CVE Published
  • 2024-08-08 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cisco
Search vendor "Cisco"
 Cbos
Search vendor "Cisco" for product "Cbos"
 <= 2.3.8
Search vendor "Cisco" for product "Cbos" and version " <= 2.3.8"
-
Affected