CVE-2001-1064

Cisco CBOS 2.x - Multiple TCP Connection Denial of Service Vulnerabilities

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cisco 600 series routers running CBOS 2.0.1 through 2.4.2ap allows remote attackers to cause a denial of service via multiple connections to the router on the (1) HTTP or (2) telnet service, which causes the router to become unresponsive and stop forwarding packets.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2001-08-23 First Exploit
2001-08-31 CVE Published
2002-01-31 CVE Reserved
2024-08-08 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (5)

URL	Tag	Source
https://exchange.xforce.ibmcloud.com/vulnerabilities/7025	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/7026	Vdb Entry

URL	Date	SRC
https://www.exploit-db.com/exploits/21092	2001-08-23
http://www.securityfocus.com/bid/3236	2024-08-08

URL	Date	SRC
http://www.cisco.com/warp/public/707/cisco-cbos-webserver-pub.shtml	2017-12-19

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"		Cbos Search vendor "Cisco" for product "Cbos"				<= 2.4.2ap Search vendor "Cisco" for product "Cbos" and version " <= 2.4.2ap"		-		Affected
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.0.1 Search vendor "Cisco" for product "Cbos" and version "2.0.1"		-		Affected
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.1.0 Search vendor "Cisco" for product "Cbos" and version "2.1.0"		-		Affected
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.1.0a Search vendor "Cisco" for product "Cbos" and version "2.1.0a"		-		Affected
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.2.0 Search vendor "Cisco" for product "Cbos" and version "2.2.0"		-		Affected
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.2.1 Search vendor "Cisco" for product "Cbos" and version "2.2.1"		-		Affected
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.2.1a Search vendor "Cisco" for product "Cbos" and version "2.2.1a"		-		Affected
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.3 Search vendor "Cisco" for product "Cbos" and version "2.3"		-		Affected
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.3.2 Search vendor "Cisco" for product "Cbos" and version "2.3.2"		-		Affected
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.3.5 Search vendor "Cisco" for product "Cbos" and version "2.3.5"		-		Affected
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.3.7 Search vendor "Cisco" for product "Cbos" and version "2.3.7"		-		Affected
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
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.3.9 Search vendor "Cisco" for product "Cbos" and version "2.3.9"		-		Affected
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.4.1 Search vendor "Cisco" for product "Cbos" and version "2.4.1"		-		Affected
Cisco Search vendor "Cisco"		Cbos Search vendor "Cisco" for product "Cbos"				2.4.2 Search vendor "Cisco" for product "Cbos" and version "2.4.2"		-		Affected