CVE-2000-0570
FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers...
FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers to cause a denial of service by sending an email with a long To: mail header.
Exploit likelihood
What each source reports
NVD Score used
FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers to cause a denial of service by sending an email with a long To: mail header.
- Record
CVE-2000-0570- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers to cause a denial of service by sending an email with a long To: mail header.
- Record
CVE-2000-0570- Updated
- 2026-11-02
EUVDEUVD-2000-0566 No score
FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers to cause a denial of service by sending an email with a long To: mail header.
- Record
EUVD-2000-0566- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mxfj-2pw5-7crq No score
FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers...
FirstClass Internet Services server 5.770, and other versions before 6.1, allows remote attackers to cause a denial of service by sending an email with a long To: mail header.
- Record
GHSA-mxfj-2pw5-7crq- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Centrinity FirstClass 5.77 - Intranet Server Long Header Denial of Service | 2000-06-27 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2000-0570 is a medium vulnerability (CVSS 5.0) in Centrinity Firstclass Intranet Server, published June 27, 2000. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.14%, the 87th percentile. No source names a fixed version.