CRITICAL
Ansible before 1.2.1 makes it easier for remote attackers to conduct man-in-the-middle attacks by leveraging failure to cache SSH host keys
Published May 4, 2018
9.1
CRITICALCVSS 4.0
EPSS 1.93%
Description
Ansible before 1.2.1 makes it easier for remote attackers to conduct man-in-the-middle attacks by leveraging failure to cache SSH host keys.
Affected products
Remediation
No remediation recorded yet.
Metrics
9.1 CRITICAL GHSA
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Attack Vector Network
Attack Complexity Low
Attack Requirements Present
Privileges Required None
User Interaction None
Vulnerable System Confidentiality High
Vulnerable System Integrity High
Vulnerable System Availability None
Subsequent System Confidentiality None
Subsequent System Integrity None
Subsequent System Availability None
No CVSS v3.1 score for this CVE.
7.4 HIGH NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact None
5.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.93% 0.01933
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01933
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.93% (0.01933) | 79.30th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.96% (0.01963) | 77.68th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.36% (0.00362) | 56.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.25% (0.00247) | 65.21th | v3 (v2023.03.01) |
| Mar 28, 2024 | 0.25% (0.00247) | 64.06th | v3 (v2023.03.01) |
| Sep 25, 2023 | 0.25% (0.00247) | 62.06th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.22% (0.00217) | 58.62th | v3 (v2023.03.01) |
| May 8, 2023 | 0.37% (0.00373) | 68.55th | v3 (v2023.03.01) |
| Apr 28, 2023 | 0.22% (0.00217) | 58.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00211) | 57.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (1)
References (8)
- http://www.openwall.com/lists/oss-security/2013/07/01/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2013/07/02/6 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=980821 x_refsource_CONFIRMIssue Tracking
- https://github.com/advisories/GHSA-9x6q-5423-w5v9 Advisory
- https://github.com/ansible/ansible/issues/857 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2018-36.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2013-2233
- https://www.ansible.com/security x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2013/07/01/2 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2013/07/02/6 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=980821 | x_refsource_CONFIRMIssue Tracking | |
| https://github.com/advisories/GHSA-9x6q-5423-w5v9 | Advisory | |
| https://github.com/ansible/ansible/issues/857 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://github.com/pypa/advisory-database/tree/main/vulns/ansible/PYSEC-2018-36.yaml | ||
| https://nvd.nist.gov/vuln/detail/CVE-2013-2233 | ||
| https://www.ansible.com/security | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published May 4, 2018
Updated Aug 6, 2024
Reserved Feb 19, 2013
Link CVE-2013-2233
CISA Vulnrichment
GHSA-9X6Q-5423-W5V9 Updated n/a