CVE-2001-0945

Outlook Express vulnerability

CVSS

5.0

EPSS

19.8%

EPSS pct

97th

Exploited

No known

Buffer overflow in Outlook Express 5.0 through 5.02 for Macintosh allows remote attackers to cause a denial of service via an e-mail message that contains a long line.

Affected vendor

Microsoft

Affected product

Outlook Express

CVSS vector

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

Published

2001-12-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 19.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2001-0945

Confirm whether Microsoft Outlook Express is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2001-0945.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2001-0945

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2001-0945 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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