HIGH
In PuTTY versions before 0.71 on Windows, local attackers could hijack the application by putting a malicious help file in the same directory as the executable
Published Mar 21, 2019
7.8
HIGHCVSS 3.1
EPSS 0.76%
Description
In PuTTY versions before 0.71 on Windows, local attackers could hijack the application by putting a malicious help file in the same directory as the executable.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.8 HIGH NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
4.6 MEDIUM NVD
AV:L/AC:L/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.76% 0.00759
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00759
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.76% (0.00759) | 53.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.76% (0.00759) | 50.26th | v5 (v2026.06.15) |
| Apr 10, 2025 | 2.28% (0.02283) | 83.32th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.94% (0.03939) | 87.26th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.46% (0.07458) | 85.97th | v4 (v2025.03.14) |
| Mar 28, 2025 | 3.94% (0.03939) | 87.27th | v4 (v2025.03.14) |
| Mar 27, 2025 | 7.46% (0.07458) | 90.52th | v4 (v2025.03.14) |
| Mar 20, 2025 | 3.94% (0.03939) | 87.35th | v4 (v2025.03.14) |
| Mar 19, 2025 | 7.46% (0.07458) | 90.66th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.94% (0.03939) | 87.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.67% (0.01669) | 76.02th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.67% (0.01669) | 75.98th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.67% (0.01669) | 73.93th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.67% (0.01669) | 53.27th | v2 (v2022.01.01) |
| Feb 3, 2022 | 22.25% (0.22249) | 94.79th | v1 |
| Jan 6, 2022 | 22.25% (0.22249) | 94.73th | v1 |
| Sep 1, 2021 | 22.25% (0.22249) | 98.03th | v1 |
| Apr 14, 2021 | 22.25% (0.22249) | 0.00th | v1 |
Weaknesses (1)
References (4)
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190404-0001/ x_refsource_CONFIRMThird Party Advisory
- https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html x_refsource_MISCRelease NotesThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00004.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00020.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| https://security.netapp.com/advisory/ntap-20190404-0001/ | x_refsource_CONFIRMThird Party Advisory | |
| https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html | x_refsource_MISCRelease NotesThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 21, 2019
Updated Aug 4, 2024
Reserved Mar 20, 2019
Link CVE-2019-9896
CISA Vulnrichment
Updated n/a