Check Point Firewall-1 allows remote attackers to bypass port access restrictions on an FTP server by forcing it to send malicious packets that Firewall-1 misinterprets as a valid 227 response to a client's PASV attempt
Published Mar 22, 2000
7.5
HIGHCVSS 2.0
EPSS 2.20%
Description
Check Point Firewall-1 allows remote attackers to bypass port access restrictions on an FTP server by forcing it to send malicious packets that Firewall-1 misinterprets as a valid 227 response to a client's PASV attempt.
Affected products
No data.
- 3.0
- 4.0
- 4.1\(6\)
- 4.1\(6b\)
- 4.2\(1\)
- 4.2\(2\)
- 4.3
- 4.4\(4\)
- 5.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.20% (0.02201) | 81.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.20% (0.02201) | 80.14th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.45% (0.00454) | 61.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.57% (0.00572) | 78.62th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.57% (0.00572) | 77.21th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.99% (0.00992) | 81.22th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- http://www.kb.cert.org/vuls/id/328867 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.osvdb.org/4417 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/979 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://www.kb.cert.org/vuls/id/328867 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.osvdb.org/4417 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/979 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.