Multiple TCP implementations with Protection Against Wrapped Sequence Numbers (PAWS) with the timestamps option enabled allow remote attackers to cause a denial of service (connection loss) via a spoofed packet with a large timer value, which causes the host to discard later packets because they appear to be too old
Published May 31, 2005
5.0
MEDIUMCVSS 2.0
EPSS 82.76%
Description
Multiple TCP implementations with Protection Against Wrapped Sequence Numbers (PAWS) with the timestamps option enabled allow remote attackers to cause a denial of service (connection loss) via a spoofed packet with a large timer value, which causes the host to discard later packets because they appear to be too old.
Affected products
No data.
Configuration 1
- n/a
- n/a
- 1.1
- 5.0
- n/a
- n/a
- n/a
- n/a
- 1.3\(1\)
- 1.3\(2\)
- 1.3\(3\)
- 1.3\(4\)
- 1.4\(1\)
- 1.4\(2\)
- n/a
- 2.0
- 2.1
- 2.3
- 2.3
- 2.3.5.1
- 2.3.6.1
- 2.4
- 2.5
- 2.6
- 2.6.2
- 2.6.3
- 2.6.4
- 2.42
- 3.0
- 3.0
- 3.0.1
- 3.0.3
- 3.1
- 3.1.1
- 3.2
- 3.2
- 3.2\(1\)
- 3.2\(1.20\)
- 3.2\(2\)
- 3.2\(3\)
- 3.2.1
- 3.2.2
- 3.3
- 3.3\(1\)
- 3.3.1
- 3.3.2
- n/a
- n/a
- ax
- 1.0
- 2.0
- 3.0
- 3.1
- 3.1\(2\)
- 3.1\(3a\)
- 3.2
- 3.3
- 3.3\(3\)
- 4.0
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.46
- 3.0
- 3.1
- 3.2
- 3.3
- 4.0
- 1.2.10
- 1.2.11
- 1.2.10
- 1.2.11
Configuration 2
- 1.5
- 1.6
- 2.0
- 2.1
- 2.2
- 2.2
- 1.3
- n/a
- n/a
- 7.10_\(05.07\)s
- 7.20_\(03.09\)s
- 7.20_\(03.10\)s
- 7.30_\(00.08\)s
- 7.30_\(00.09\)s
- 200
- 400
- 1000
- 200i
- 201i
- 702t
- 703t
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- 1.0
- 5200
- compact_lite
- n/a
- n/a
- 1st
- 2nd
- 3rd
- 4th
- 5th
- n/a
- 1.1\(1\)
- 1.2
- 1.1.5.1
- 2.0
- 2.0.5
- 2.1.0
- 2.1.5
- 2.1.6
- 2.1.6.1
- 2.1.7.1
- 2.2
- 2.2.2
- 2.2.3
- 2.2.4
- 2.2.5
- 2.2.6
- 2.2.8
- 3.0
- 3.0
- 3.1
- 3.2
- 3.3
- 3.4
- 3.5
- 3.5
- 3.5.1
- 3.5.1
- 3.5.1
- 4.0
- 4.0
- 4.0
- 4.1
- 4.1.1
- 4.1.1
- 4.1.1
- 4.2
- 4.2
- 4.3
- 4.3
- 4.3
- 4.3
- 4.3
- 4.4
- 4.4
- 4.4
- 4.4
- 4.5
- 4.5
- 4.5
- 4.5
- 4.5
- 4.6
- 4.6
- 4.6
- 4.6
- 4.6
- 4.6.2
- 4.7
- 4.7
- 4.7
- 4.7
- 4.7
- 4.8
- 4.8
- 4.8
- 4.8
- 4.9
- 4.9
- 4.9
- 4.10
- 4.10
- 4.10
- 4.10
- 4.11
- 4.11
- 4.11
- 5.0
- 5.0
- 5.0
- 5.0
- 5.1
- 5.1
- 5.1
- 5.1
- 5.1
- 5.2
- 5.2.1
- 5.2.1
- 5.3
- 5.3
- 5.3
- 5.3
- 5.4
- 5.4
- n/a
- n/a
- n/a
- n/a
- n/a
- enterprise
- enterprise_64-bit
- r2
- r2
- standard
- standard_64-bit
- web
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- 3.0
- 3.1
- 3.2
- 3.3
- 3.4
- 3.5
- 3.6
- ax5400s
- ax7800r
- ax7800s
Configuration 3
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- 1.1\(2\)
- 1.1\(3\)
- 1.1\(4\)
- 1.1\(5\)
- 1.1\(7\)
- 1.1.3
- 2-3.3.1-k9
- 2-3.3.2-k9
- 2.5.1-k9
- 3.2.1-k9
- 3.2.2-k9
- 3.3.1-k9
- 3.3.2-k9
- 4.0
- 4.2
- 4.3
- 4.4
- 4.5
- 4.5.6
- 4.5.9
- 4.5.10
- 4.5.11
- 4.5.12
- 4.6
- 4.6.2
- 9.0
- 9.0.1
- 9.0.2
- 9.0.3
- 9.0.4
- 9.0.5
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue does not affect the versions of the kernel package as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.
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:N/I:N/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 (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 82.76% (0.82756) | 99.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 82.76% (0.82756) | 99.63th | v5 (v2026.06.15) |
| Dec 28, 2025 | 81.53% (0.81532) | 99.14th | v4 (v2025.03.14) |
| Dec 27, 2025 | 86.02% (0.86024) | 99.36th | v4 (v2025.03.14) |
| Oct 28, 2025 | 81.53% (0.81532) | 99.13th | v4 (v2025.03.14) |
| Oct 27, 2025 | 86.02% (0.86024) | 99.35th | v4 (v2025.03.14) |
| Oct 1, 2025 | 80.86% (0.80856) | 99.12th | v4 (v2025.03.14) |
| Jul 21, 2025 | 86.02% (0.86024) | 99.34th | v4 (v2025.03.14) |
| Mar 30, 2025 | 79.93% (0.79930) | 99.05th | v4 (v2025.03.14) |
| Mar 29, 2025 | 72.61% (0.72613) | 98.38th | v4 (v2025.03.14) |
| Mar 28, 2025 | 79.93% (0.79930) | 99.05th | v4 (v2025.03.14) |
| Mar 19, 2025 | 85.80% (0.85802) | 99.34th | v4 (v2025.03.14) |
| Mar 17, 2025 | 87.46% (0.87456) | 99.42th | v4 (v2025.03.14) |
| Dec 17, 2024 | 86.52% (0.86518) | 98.83th | v3 (v2023.03.01) |
| Dec 12, 2024 | 93.70% (0.93701) | 99.23th | v3 (v2023.03.01) |
| May 7, 2024 | 93.08% (0.93077) | 99.03th | v3 (v2023.03.01) |
| Sep 20, 2023 | 94.16% (0.94156) | 98.86th | v3 (v2023.03.01) |
| Apr 21, 2023 | 96.61% (0.96615) | 99.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.83% (0.96828) | 99.42th | v3 (v2023.03.01) |
| Mar 6, 2023 | 58.43% (0.58426) | 98.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 58.43% (0.58426) | 98.56th | v2 (v2022.01.01) |
No CWE recorded.
References (14)
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:15.tcp.asc vendor-advisoryx_refsource_FREEBSD
- ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.64/SCOSA-2005.64.txt vendor-advisoryx_refsource_SCO
- http://secunia.com/advisories/15393 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/15417/ third-party-advisoryx_refsource_SECUNIAPatch
- http://secunia.com/advisories/18222 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/18662 third-party-advisoryx_refsource_SECUNIA
- http://support.avaya.com/elmodocs2/security/ASA-2006-032.htm x_refsource_CONFIRM
- http://www.cisco.com/warp/public/707/cisco-sn-20050518-tcpts.shtml vendor-advisoryx_refsource_CISCOVendor Advisory
- http://www.kb.cert.org/vuls/id/637934 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.securityfocus.com/bid/13676 vdb-entryx_refsource_BIDExploit
- https://access.redhat.com/security/cve/CVE-2005-0356 Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/20635 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2005-0356
- https://www.cve.org/CVERecord?id=CVE-2005-0356
Change history (0)
No recorded changes yet.