// For flags

CVE-2003-1177

Atrium Software Mercur MailServer 3.3/4.0/4.2 - IMAP AUTH Remote Buffer Overflow

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

5
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Buffer overflow in the base64 decoder in MERCUR Mailserver 4.2 before SP3a allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long (1) AUTH command to the POP3 server or (2) AUTHENTICATE command to the IMAP server.

*Credits: N/A
CVSS Scores
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
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2003-10-20 First Exploit
  • 2003-12-31 CVE Published
  • 2005-05-04 CVE Reserved
  • 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
Atrium Software
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Mercur Mailserver
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3.3
Search vendor "Atrium Software" for product "Mercur Mailserver" and version "3.3"
-
Affected
Atrium Software
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Mercur Mailserver
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3.3_sp1
Search vendor "Atrium Software" for product "Mercur Mailserver" and version "3.3_sp1"
-
Affected
Atrium Software
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Mercur Mailserver
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3.3_sp2
Search vendor "Atrium Software" for product "Mercur Mailserver" and version "3.3_sp2"
-
Affected
Atrium Software
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Mercur Mailserver
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4.1
Search vendor "Atrium Software" for product "Mercur Mailserver" and version "4.1"
-
Affected
Atrium Software
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Mercur Mailserver
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4.1_sp1
Search vendor "Atrium Software" for product "Mercur Mailserver" and version "4.1_sp1"
-
Affected
Atrium Software
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Mercur Mailserver
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4.2
Search vendor "Atrium Software" for product "Mercur Mailserver" and version "4.2"
-
Affected
Atrium Software
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Mercur Mailserver
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4.2_sp1
Search vendor "Atrium Software" for product "Mercur Mailserver" and version "4.2_sp1"
-
Affected
Atrium Software
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Mercur Mailserver
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4.2_sp2
Search vendor "Atrium Software" for product "Mercur Mailserver" and version "4.2_sp2"
-
Affected