Packeteer PacketShaper uses fixed increments in TCP initial sequence number (ISN) values, which allows remote attackers to predict the ISN value, and perform session hijacking or disruption
Published May 21, 2007
7.5
HIGHCVSS 2.0
EPSS 1.60%
Description
Packeteer PacketShaper uses fixed increments in TCP initial sequence number (ISN) values, which allows remote attackers to predict the ISN value, and perform session hijacking or disruption.
Affected products
No data.
- 7.3.0g2
- 7.5.0g1
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 2, 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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.60% (0.01601) | 74.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.60% (0.01601) | 72.56th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.04% (0.01039) | 75.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.90% (0.01898) | 89.00th | v3 (v2023.03.01) |
| May 1, 2024 | 1.90% (0.01898) | 88.38th | v3 (v2023.03.01) |
| Mar 24, 2024 | 2.13% (0.02132) | 89.01th | v3 (v2023.03.01) |
| Feb 15, 2024 | 2.08% (0.02083) | 88.73th | v3 (v2023.03.01) |
| Jan 8, 2024 | 2.08% (0.02075) | 87.86th | v3 (v2023.03.01) |
| Dec 1, 2023 | 1.98% (0.01978) | 87.45th | v3 (v2023.03.01) |
| Oct 23, 2023 | 1.90% (0.01900) | 87.20th | v3 (v2023.03.01) |
| May 27, 2023 | 1.69% (0.01690) | 85.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.56% (0.01563) | 85.16th | 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 (6)
- http://osvdb.org/36226 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/25344 third-party-advisoryx_refsource_SECUNIA
- http://securityreason.com/securityalert/2726 third-party-advisoryx_refsource_SREASON
- http://www.securityfocus.com/archive/1/468972/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/24048 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2007/1891 vdb-entryx_refsource_VUPEN
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/36226 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/25344 | third-party-advisoryx_refsource_SECUNIA | |
| http://securityreason.com/securityalert/2726 | third-party-advisoryx_refsource_SREASON | |
| http://www.securityfocus.com/archive/1/468972/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/24048 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2007/1891 | vdb-entryx_refsource_VUPEN |
Change history (0)
No recorded changes yet.