IPSEC implementations including (1) FreeS/WAN and (2) KAME do not properly calculate the length of authentication data, which allows remote attackers to cause a denial of service (kernel panic) via spoofed, short Encapsulating Security Payload (ESP) packets, which result in integer signedness errors
Published Oct 25, 2002
5.0
MEDIUMCVSS 2.0
EPSS 2.47%
Description
IPSEC implementations including (1) FreeS/WAN and (2) KAME do not properly calculate the length of authentication data, which allows remote attackers to cause a denial of service (kernel panic) via spoofed, short Encapsulating Security Payload (ESP) packets, which result in integer signedness errors.
Affected products
No data.
Configuration 1
Configuration 2
Configuration 3
- 3.1
- 3.2
- 3.3
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
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: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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.47% (0.02474) | 83.97th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.47% (0.02474) | 82.40th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.97% (0.00969) | 75.04th | v4 (v2025.03.14) |
| Dec 17, 2024 | 5.87% (0.05865) | 93.31th | v3 (v2023.03.01) |
| Mar 4, 2024 | 3.32% (0.03318) | 91.05th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.63% (0.04626) | 91.29th | 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)
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-016.txt.asc vendor-advisoryx_refsource_NETBSD
- http://razor.bindview.com/publish/advisories/adv_ipsec.html vendor-advisoryx_refsource_BINDVIEWVendor Advisory
- http://www.debian.org/security/2002/dsa-201 vendor-advisoryx_refsource_DEBIAN
- http://www.iss.net/security_center/static/10411.php vdb-entryx_refsource_XFVendor Advisory
- http://www.kb.cert.org/vuls/id/459371 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.securityfocus.com/bid/6011 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2002-016.txt.asc | vendor-advisoryx_refsource_NETBSD | |
| http://razor.bindview.com/publish/advisories/adv_ipsec.html | vendor-advisoryx_refsource_BINDVIEWVendor Advisory | |
| http://www.debian.org/security/2002/dsa-201 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.iss.net/security_center/static/10411.php | vdb-entryx_refsource_XFVendor Advisory | |
| http://www.kb.cert.org/vuls/id/459371 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource | |
| http://www.securityfocus.com/bid/6011 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.