CVE-2000-0478
In some cases, Norton Antivirus for Exchange (NavExchange) enters a "fail-open" state which...
In some cases, Norton Antivirus for Exchange (NavExchange) enters a "fail-open" state which allows viruses to pass through the server.
Exploit likelihood
What each source reports
NVD Score used
In some cases, Norton Antivirus for Exchange (NavExchange) enters a "fail-open" state which allows viruses to pass through the server.
- Record
CVE-2000-0478- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
In some cases, Norton Antivirus for Exchange (NavExchange) enters a "fail-open" state which allows viruses to pass through the server.
- Record
CVE-2000-0478- Updated
- 2026-11-02
EUVDEUVD-2000-0477 No score
In some cases, Norton Antivirus for Exchange (NavExchange) enters a "fail-open" state which allows viruses to pass through the server.
- Record
EUVD-2000-0477- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p6q8-hh72-gjjx No score
In some cases, Norton Antivirus for Exchange (NavExchange) enters a "fail-open" state which...
In some cases, Norton Antivirus for Exchange (NavExchange) enters a "fail-open" state which allows viruses to pass through the server.
- Record
GHSA-p6q8-hh72-gjjx- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2000-0478 is a medium vulnerability (CVSS 5.0) in Symantec Norton Antivirus, published June 14, 2000. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.00%, the 80th percentile. No source names a fixed version.