CVE-2001-0280

Atrium Software Mercur Mail Server 3.3 - EXPN Buffer Overflow

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Buffer overflow in MERCUR SMTP server 3.30 allows remote attackers to execute arbitrary commands via a long EXPN command.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2001-02-23 First Exploit
2001-04-04 CVE Reserved
2001-05-03 CVE Published
2024-08-08 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (4)

URL	Tag	Source
http://www.osvdb.org/6027	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/6149	Vdb Entry

URL	Date	SRC
https://www.exploit-db.com/exploits/20647	2001-02-23
http://archives.neohapsis.com/archives/bugtraq/2001-02/0413.html	2024-08-08

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Atrium Software Search vendor "Atrium Software"		Mercur Search vendor "Atrium Software" for product "Mercur"				*		-		Affected