LOW
Cisco Hot Standby Routing Protocol (HSRP) allows local attackers to cause a denial of service by spoofing HSRP packets
Published Sep 1, 2004
2.1
LOWCVSS 2.0
EPSS 1.33%
Description
Cisco Hot Standby Routing Protocol (HSRP) allows local attackers to cause a denial of service by spoofing HSRP packets.
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.
2.1 LOW NVD
AV:L/AC:L/Au:N/C:N/I:N/A:P
Access Vector Local
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.
1.33% 0.01326
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01326
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 | 1.33% (0.01326) | 69.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.33% (0.01326) | 67.17th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.56% (0.01559) | 80.20th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00043) | 11.52th | v3 (v2023.03.01) |
| Jun 12, 2024 | 0.04% (0.00043) | 9.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00043) | 7.57th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.76% (0.01761) | 76.53th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.76% (0.01761) | 76.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.76% (0.01761) | 74.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.76% (0.01761) | 53.69th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (4)
- http://archives.neohapsis.com/archives/bugtraq/2001-05/0035.html mailing-listx_refsource_BUGTRAQVendor Advisory
- http://www.cisco.com/networkers/nw00/pres/2402.pdf x_refsource_MISC
- http://www.securityfocus.com/bid/2684 vdb-entryx_refsource_BIDExploitVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6497 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2001-05/0035.html | mailing-listx_refsource_BUGTRAQVendor Advisory | |
| http://www.cisco.com/networkers/nw00/pres/2402.pdf | x_refsource_MISC | |
| http://www.securityfocus.com/bid/2684 | vdb-entryx_refsource_BIDExploitVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/6497 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 1, 2004
Updated Aug 8, 2024
Reserved Oct 12, 2001
Link CVE-2001-0741
CISA Vulnrichment
Updated n/a