How severe is CVE-2001-1099?

CVE-2001-1099 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-1099 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1099?

CVE-2001-1099 affects Symantec Norton Antivirus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-1099?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2001-1099 published?

CVE-2001-1099 was published on 2001-09-07 and last updated on 2026-06-16.

CVE-2001-1099

CVE-2001-1099 is a medium-severity vulnerability in Symantec Norton Antivirus with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Symantec Norton Antivirus
Published: 2001-09-07
Last modified: 2026-06-16

Description

The default configuration of Norton AntiVirus for Microsoft Exchange 2000 2.x allows remote attackers to identify the recipient's INBOX file path by sending an email with an attachment containing malicious content, which includes the path in the rejection notice.

Frequently asked questions

What is CVE-2001-1099?: The default configuration of Norton AntiVirus for Microsoft Exchange 2000 2.x allows remote attackers to identify the recipient's INBOX file path by sending an email with an attachment containing malicious content, which includes the path in the rejection notice.
How severe is CVE-2001-1099?: CVE-2001-1099 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-1099 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1099?: CVE-2001-1099 affects Symantec Norton Antivirus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-1099?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1099 published?: CVE-2001-1099 was published on 2001-09-07 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:symantec:norton_antivirus:2.5:*:*:*:*:*:*:*

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