Vulnerability Monitor

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CVE-2001-1088


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.


Security Impact Summary

CVE-2001-1088 is a security vulnerability that . Impacting 2 products from microsoft, from microsoft organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2001, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.


Published

2001-06-05T04:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    NVD-CWE-Other

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application microsoft outlook 97 Yes
Application microsoft outlook 98 Yes
Application microsoft outlook 2000 Yes
Application microsoft outlook_express 4.0 Yes
Application microsoft outlook_express 4.5 Yes
Application microsoft outlook_express 4.27.3110 Yes
Application microsoft outlook_express 4.72.2106 Yes
Application microsoft outlook_express 4.72.3120.0 Yes
Application microsoft outlook_express 4.72.3612 Yes
Application microsoft outlook_express 5.0 Yes
Application microsoft outlook_express 5.5 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For microsoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.