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CVE-1999-1033

5.0 · MEDIUM

Microsoft Outlook Express before 4.72.3612.1700 allows a malicious user to send a message that contains a .., which can inadvertently cause Outlook to re-enter POP3 command mode and cause the POP3…

Published May 11, 1999microsoftEPSS 17.50%

Overview

CVE-1999-1033 is a medium-severity vulnerability affecting microsoft outlook_express. It was published on May 11, 1999 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Microsoft Outlook Express before 4.72.3612.1700 allows a malicious user to send a message that contains a .., which can inadvertently cause Outlook to re-enter POP3 command mode and cause the POP3 session to hang.

Remediation

Check the references section for vendor advisories and patches from microsoft. Update outlook_express to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
microsoftoutlook_express0Affected

References

Refmarc.info/?l=bugtraq&m=92647407427342&w=2Refmarc.info/?l=bugtraq&m=92663402004275&w=2Refwww.securityfocus.com/bid/252Refmarc.info/?l=bugtraq&m=92647407427342&w=2Refmarc.info/?l=bugtraq&m=92663402004275&w=2Refwww.securityfocus.com/bid/252

How CyberStrike helps

Frequently asked questions

What is CVE-1999-1033?

CVE-1999-1033 is a medium-severity vulnerability affecting microsoft outlook_express. It was published on May 11, 1999 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-1999-1033?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-1999-1033?

Check the references section for vendor advisories and patches from microsoft. Update outlook_express to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-1999-1033?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-1999-1033 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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