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01 Record

CVE-2000-0478

In some cases, Norton Antivirus for Exchange (NavExchange) enters a "fail-open" state which allows viruses to pass through the server.

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

In some cases, Norton Antivirus for Exchange (NavExchange) enters a "fail-open" state which allows viruses to pass through the server.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.00% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 80.6% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-16.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2000-10-13 04:00Z26 YR AGO
Last updated
2024-08-08 05:21Z2 YR AGO
Reserved
2000-07-11
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
ad339863a27c151f0efc9b48de270b1d44e7df7edc1df5c3c12f9a5884ad7013

05 Affected products

VendorProductVersionsPlatforms
symantecnorton_antivirusNot specified—

06 References