LiveActive security incident?Get immediate response
CVE Record

CVE-2001-1326: Eudora 5.1 allows remote attackers to execute arbitrary code when the "Use Microsoft Viewer" option is enab...

Eudora 5.1 allows remote attackers to execute arbitrary code when the "Use Microsoft Viewer" option is enabled and the "allow executables in HTML content" option is disabled, via an HTML email with a form that is activated from an image that the attacker spoofs as a link, which causes the user to execute the form and access embedded attachments.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is a legacy Eudora 5.1 email-client issue. A malicious HTML email could trick a user into activating content that leads to arbitrary code execution under specific settings. Business urgency is mainly for environments that still run Eudora 5.1 or preserve old mail-client images. Likely exposure is limited to systems using Eudora 5.1 with the specified viewer configuration. The supplied affected-product metadata is listed as n/a, so asset validation should focus on legacy endpoints, archived desktop builds, and old email-client images. Treat as a legacy-risk cleanup item. It is not KEV-listed in the supplied bundle, but arbitrary code execution through email warrants prompt action if Eudora 5.1 remains in use. Mitigation focus: Identify and remove Eudora 5.1 from active endpoints where possible.; Disable Microsoft Viewer behavior in Eudora if the client must remain installed.; Follow any available vendor or archival guidance for hardened configuration..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2001-1326 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.