Logstash versions prior to 2.3.3, when using the Netflow Codec plugin, a remote attacker crafting malicious Netflow v5, Netflow v9 or IPFIX packets could perform a denial of service attack on the Logstash instance
Published Jun 16, 2017
7.5
HIGHCVSS 3.0
EPSS 1.53%
Description
Logstash versions prior to 2.3.3, when using the Netflow Codec plugin, a remote attacker crafting malicious Netflow v5, Netflow v9 or IPFIX packets could perform a denial of service attack on the Logstash instance. The errors resulting from these crafted inputs are not handled by the codec and can cause the Logstash process to exit.
Affected products
-
- Version before 2.3.3StatusaffectedConstraints-
- Version
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.53% (0.01533) | 73.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.31% (0.01315) | 66.91th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.60% (0.00598) | 67.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00236) | 62.57th | v3 (v2023.03.01) |
| Feb 27, 2024 | 0.24% (0.00236) | 60.74th | v3 (v2023.03.01) |
| Dec 21, 2023 | 0.21% (0.00209) | 58.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00206) | 56.79th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (1)
- https://www.elastic.co/community/security x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.elastic.co/community/security | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.