CVE-2000-0549

Severity Score

7.5

*CVSS v3

Exploit Likelihood

1.3%

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Kerberos 4 KDC program does not properly check for null termination of AUTH_MSG_KDC_REQUEST requests, which allows remote attackers to cause a denial of service via a malformed request.

*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

2000-06-09 CVE Published
2000-07-11 CVE Reserved
2024-08-08 CVE Updated
2024-08-08 First Exploit
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (5)

URL	Tag	Source
http://ciac.llnl.gov/ciac/bulletins/k-051...	Government Resource
http://web.mit.edu/kerberos/www/advisorie...	X_refsource_confirm

1 - 2 of 2

URL	Date	SRC
http://archives.neohapsis.com/archives/bugtraq/2000-06/006...	2024-08-08

1 - 1 of 1

URL	Date	SRC
http://www.cert.org/advisories/CA-2000-11.html	2020-01-21

1 - 1 of 1

URL	Date	SRC
http://www.redhat.com/support/errata/RHSA-2000-031.html	2020-01-21

1 - 1 of 1

Affected Vendors, Products, and Versions (6)

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cygnus Search vendor "Cygnus"		Cygnus Network Security Search vendor "Cygnus" for product "Cygnus Network Security"				4.0 Search vendor "Cygnus" for product "Cygnus Network Security" and version "4.0"		-		Affected
Cygnus Search vendor "Cygnus"		Kerbnet Search vendor "Cygnus" for product "Kerbnet"				5.0 Search vendor "Cygnus" for product "Kerbnet" and version "5.0"		-		Affected
Mit Search vendor "Mit"		Kerberos Search vendor "Mit" for product "Kerberos"				4.0 Search vendor "Mit" for product "Kerberos" and version "4.0"		-		Affected
Mit Search vendor "Mit"		Kerberos 5 Search vendor "Mit" for product "Kerberos 5"				1.0 Search vendor "Mit" for product "Kerberos 5" and version "1.0"		-		Affected
Mit Search vendor "Mit"		Kerberos 5 Search vendor "Mit" for product "Kerberos 5"				1.1 Search vendor "Mit" for product "Kerberos 5" and version "1.1"		-		Affected
Mit Search vendor "Mit"		Kerberos 5 Search vendor "Mit" for product "Kerberos 5"				1.1.1 Search vendor "Mit" for product "Kerberos 5" and version "1.1.1"		-		Affected

1 - 6 of 6