// For flags

CVE-2001-1088

Microsoft Outlook 97/98/2000/4/5 - Address Book Spoofing

Severity Score

6.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

3
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Microsoft Outlook 8.5 and earlier, and Outlook Express 5 and earlier, with the "Automatically put people I reply to in my address book" option enabled, do not notify the user when the "Reply-To" address is different than the "From" address, which could allow an untrusted remote attacker to spoof legitimate addresses and intercept email from the client that is intended for another user.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
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
  • 2001-06-05 CVE Published
  • 2001-06-05 First Exploit
  • 2002-03-15 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
Microsoft
Search vendor "Microsoft"
Outlook
Search vendor "Microsoft" for product "Outlook"
97
Search vendor "Microsoft" for product "Outlook" and version "97"
-
Affected
Microsoft
Search vendor "Microsoft"
Outlook
Search vendor "Microsoft" for product "Outlook"
98
Search vendor "Microsoft" for product "Outlook" and version "98"
-
Affected
Microsoft
Search vendor "Microsoft"
Outlook
Search vendor "Microsoft" for product "Outlook"
2000
Search vendor "Microsoft" for product "Outlook" and version "2000"
-
Affected
Microsoft
Search vendor "Microsoft"
Outlook Express
Search vendor "Microsoft" for product "Outlook Express"
4.0
Search vendor "Microsoft" for product "Outlook Express" and version "4.0"
-
Affected
Microsoft
Search vendor "Microsoft"
Outlook Express
Search vendor "Microsoft" for product "Outlook Express"
4.5
Search vendor "Microsoft" for product "Outlook Express" and version "4.5"
-
Affected
Microsoft
Search vendor "Microsoft"
Outlook Express
Search vendor "Microsoft" for product "Outlook Express"
4.27.3110
Search vendor "Microsoft" for product "Outlook Express" and version "4.27.3110"
-
Affected
Microsoft
Search vendor "Microsoft"
Outlook Express
Search vendor "Microsoft" for product "Outlook Express"
4.72.2106
Search vendor "Microsoft" for product "Outlook Express" and version "4.72.2106"
-
Affected
Microsoft
Search vendor "Microsoft"
Outlook Express
Search vendor "Microsoft" for product "Outlook Express"
4.72.3120.0
Search vendor "Microsoft" for product "Outlook Express" and version "4.72.3120.0"
-
Affected
Microsoft
Search vendor "Microsoft"
Outlook Express
Search vendor "Microsoft" for product "Outlook Express"
4.72.3612
Search vendor "Microsoft" for product "Outlook Express" and version "4.72.3612"
-
Affected
Microsoft
Search vendor "Microsoft"
Outlook Express
Search vendor "Microsoft" for product "Outlook Express"
5.0
Search vendor "Microsoft" for product "Outlook Express" and version "5.0"
-
Affected
Microsoft
Search vendor "Microsoft"
Outlook Express
Search vendor "Microsoft" for product "Outlook Express"
5.5
Search vendor "Microsoft" for product "Outlook Express" and version "5.5"
-
Affected