Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder does not validate SSL/TLS certificates from the Logstash server, which might allow attackers to obtain sensitive information via a man-in-the-middle attack
Published Aug 9, 2017
5.9
MEDIUMCVSS 3.0
EPSS 1.22%
Description
Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder does not validate SSL/TLS certificates from the Logstash server, which might allow attackers to obtain sensitive information via a man-in-the-middle attack.
Affected products
No data.
- 1.4.0
- 1.4.1
- 1.4.2
- 1.4.3
- 1.4.4
- 1.5.0
- 1.5.1
- 1.5.2
- 1.5.3
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:H/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:M/Au:N/C:P/I:N/A:N
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 4, 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 4, 2026 | 1.22% (0.01219) | 67.61th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.22% (0.01219) | 64.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.20% (0.00197) | 39.63th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00236) | 62.60th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.24% (0.00236) | 61.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.24% (0.00236) | 59.87th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (5)
- http://packetstormsecurity.com/files/133269/Logstash-1.5.3-Man-In-The-Middle.html x_refsource_MISCThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/archive/1/536294/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/536858/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/76455 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://www.elastic.co/blog/logstash-1-5-4-and-1-4-5-released x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/133269/Logstash-1.5.3-Man-In-The-Middle.html | x_refsource_MISCThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/archive/1/536294/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/archive/1/536858/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/76455 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://www.elastic.co/blog/logstash-1-5-4-and-1-4-5-released | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.