HIGH
IBM OS/400 (aka i5/OS) V4R2M0 through V5R3M0 on iSeries machines sends responses to TCP SYN-FIN packets, which allows remote attackers to obtain system information and possibly bypass firewall rules
Published Jul 3, 2007
7.8
HIGHCVSS 2.0
EPSS 1.50%
Description
IBM OS/400 (aka i5/OS) V4R2M0 through V5R3M0 on iSeries machines sends responses to TCP SYN-FIN packets, which allows remote attackers to obtain system information and possibly bypass firewall rules.
Affected products
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.
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.50% 0.01500
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01500
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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.50% (0.01500) | 73.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.50% (0.01500) | 70.84th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.22% (0.00225) | 43.13th | v4 (v2025.03.14) |
| Dec 12, 2024 | 5.85% (0.05854) | 93.69th | v3 (v2023.03.01) |
| May 6, 2024 | 5.85% (0.05854) | 93.36th | v3 (v2023.03.01) |
| Mar 29, 2024 | 3.16% (0.03157) | 90.93th | v3 (v2023.03.01) |
| Feb 20, 2024 | 1.14% (0.01143) | 84.32th | v3 (v2023.03.01) |
| Jan 13, 2024 | 0.59% (0.00593) | 75.98th | v3 (v2023.03.01) |
| Dec 5, 2023 | 0.57% (0.00569) | 75.28th | v3 (v2023.03.01) |
| Oct 28, 2023 | 0.35% (0.00346) | 68.49th | v3 (v2023.03.01) |
| Sep 22, 2023 | 0.38% (0.00375) | 69.52th | v3 (v2023.03.01) |
| Jul 9, 2023 | 0.37% (0.00368) | 68.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.34% (0.00340) | 66.84th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (5)
- http://osvdb.org/37792 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/25885 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www-1.ibm.com/support/docview.wss?uid=nas2742405285431729b86256e620067dc17 vendor-advisoryx_refsource_AIXAPAR
- http://www.securityfocus.com/bid/24706 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35173 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/37792 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/25885 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www-1.ibm.com/support/docview.wss?uid=nas2742405285431729b86256e620067dc17 | vendor-advisoryx_refsource_AIXAPAR | |
| http://www.securityfocus.com/bid/24706 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/35173 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 3, 2007
Updated Aug 7, 2024
Reserved Jul 3, 2007
Link CVE-2007-3537
CISA Vulnrichment
Updated n/a