MEDIUM
The aspath_prepend function in rde_attr.c in bgpd in OpenBSD 4.3 and 4.4 allows remote attackers to cause a denial of service (application crash) via an Autonomous System (AS) advertisement containing a long AS path
Published Mar 4, 2009
5.0
MEDIUMCVSS 2.0
EPSS 1.56%
Description
The aspath_prepend function in rde_attr.c in bgpd in OpenBSD 4.3 and 4.4 allows remote attackers to cause a denial of service (application crash) via an Autonomous System (AS) advertisement containing a long AS path.
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.56% 0.01560
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01560
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 | 1.56% (0.01560) | 74.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.56% (0.01560) | 71.91th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.19% (0.01190) | 77.40th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.40% (0.03402) | 91.26th | v3 (v2023.03.01) |
| Jul 1, 2024 | 4.74% (0.04741) | 92.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.41% (0.04407) | 91.09th | 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) |
Weaknesses (0)
No CWE recorded.
References (7)
- http://openbsd.org/errata43.html#010_bgpd vendor-advisoryx_refsource_OPENBSDPatchVendor Advisory
- http://openbsd.org/errata44.html#010_bgpd vendor-advisoryx_refsource_OPENBSDPatchVendor Advisory
- http://osvdb.org/52271 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/33975 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.securityfocus.com/bid/33828 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1021736 vdb-entryx_refsource_SECTRACK
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48812 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://openbsd.org/errata43.html#010_bgpd | vendor-advisoryx_refsource_OPENBSDPatchVendor Advisory | |
| http://openbsd.org/errata44.html#010_bgpd | vendor-advisoryx_refsource_OPENBSDPatchVendor Advisory | |
| http://osvdb.org/52271 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/33975 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.securityfocus.com/bid/33828 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1021736 | vdb-entryx_refsource_SECTRACK | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/48812 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 4, 2009
Updated Aug 7, 2024
Reserved Mar 4, 2009
Link CVE-2009-0780
CISA Vulnrichment
Updated n/a