isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service via an ISAKMP packet with a malformed Cert Request payload, which causes an integer underflow that is used in a malloc operation that is not properly handled, as demonstrated by the Striker ISAKMP Protocol Test Suite
Published Mar 25, 2004
10.0
HIGHCVSS 2.0
EPSS 4.60%
Description
isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service via an ISAKMP packet with a malformed Cert Request payload, which causes an integer underflow that is used in a malloc operation that is not properly handled, as demonstrated by the Striker ISAKMP Protocol Test Suite.
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.
AV:N/AC:L/Au:N/C:C/I:C/A:C
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.60% (0.04604) | 91.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.60% (0.04604) | 90.44th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.87% (0.02871) | 85.04th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.83% (0.06834) | 85.21th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.87% (0.02871) | 85.35th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.76% (0.01760) | 88.48th | v3 (v2023.03.01) |
| Jun 13, 2024 | 1.76% (0.01760) | 88.03th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.76% (0.01760) | 86.02th | 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) |
References (7)
- http://marc.info/?l=bugtraq&m=108008530028019&w=2 mailing-listx_refsource_BUGTRAQ
- http://www.kb.cert.org/vuls/id/223273 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.openbsd.org/errata.html vendor-advisoryx_refsource_OPENBSDPatch
- http://www.rapid7.com/advisories/R7-0018.html x_refsource_MISC
- http://www.securityfocus.com/bid/9907 vdb-entryx_refsource_BID
- http://www.securitytracker.com/alerts/2004/Mar/1009468.html vdb-entryx_refsource_SECTRACK
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15629 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=108008530028019&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://www.kb.cert.org/vuls/id/223273 | third-party-advisoryx_refsource_CERT-VNUS Government Resource | |
| http://www.openbsd.org/errata.html | vendor-advisoryx_refsource_OPENBSDPatch | |
| http://www.rapid7.com/advisories/R7-0018.html | x_refsource_MISC | |
| http://www.securityfocus.com/bid/9907 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/alerts/2004/Mar/1009468.html | vdb-entryx_refsource_SECTRACK | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/15629 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.