CVE-2001-0288

Linux Kernel 2.2 - Predictable TCP Initial Sequence Number

Severity Score

7.5

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cisco switches and routers running IOS 12.1 and earlier produce predictable TCP Initial Sequence Numbers (ISNs), which allows remote attackers to spoof or hijack TCP connections.

*Credits: N/A

CVSS Scores

NISTv2 7.5

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
2001-04-04 CVE Reserved
2001-05-03 CVE Published
2023-03-07 EPSS Updated
2024-08-08 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://www.exploit-db.com/exploits/19522	1999-09-27

URL	Date	SRC
http://www.cisco.com/warp/public/707/ios-tcp-isn-random-pub.shtml	2008-09-05

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"		Ios Search vendor "Cisco" for product "Ios"				<= 12.1 Search vendor "Cisco" for product "Ios" and version " <= 12.1"		-		Affected