HIGH
Multiple denial-of-service attacks that can be triggered by writing to the terminal exist in PuTTY versions before 0.71
Published Mar 21, 2019
7.5
HIGHCVSS 3.0
EPSS 3.02%
Description
Multiple denial-of-service attacks that can be triggered by writing to the terminal exist in PuTTY versions before 0.71.
Affected products
No data.
Configuration 2
OR
- 28
- 29
Configuration 3
OR
- 8.0
- 9.0
Configuration 4
- n/a
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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
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.
3.02% 0.03021
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03021
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.02% (0.03021) | 86.98th | v5 (v2026.06.15) |
| Sep 20, 2026 | 3.02% (0.03021) | 86.85th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.99% (0.00987) | 83.67th | v3 (v2023.03.01) |
| Mar 14, 2024 | 0.99% (0.00987) | 83.13th | v3 (v2023.03.01) |
| Feb 28, 2024 | 0.91% (0.00910) | 82.31th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.64% (0.00643) | 76.88th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.97% (0.00971) | 81.45th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.98% (0.00978) | 81.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 16.31% (0.16306) | 92.84th | v2 (v2022.01.01) |
| Feb 3, 2022 | 8.66% (0.08659) | 85.81th | v1 |
| Jan 6, 2022 | 8.66% (0.08659) | 85.64th | v1 |
| Jan 5, 2022 | 2.07% (0.02069) | 78.02th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.07% (0.02069) | 0.00th | v1 |
Weaknesses (0)
No CWE recorded.
References (9)
- 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://lists.debian.org/debian-lts-announce/2019/04/msg00023.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36LWQ3NPFIV7DC7TC4KFPRYRH2OR7SZ2/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LDO3F267P347E6U2IILFCYW7JPTLCCES/ vendor-advisoryx_refsource_FEDORA
- https://seclists.org/bugtraq/2019/Apr/6 mailing-listx_refsource_BUGTRAQMailing ListThird Party Advisory
- https://security.netapp.com/advisory/ntap-20190404-0001/ x_refsource_CONFIRMPatchThird Party Advisory
- https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html x_refsource_MISCThird Party Advisory
- https://www.debian.org/security/2019/dsa-4423 vendor-advisoryx_refsource_DEBIANThird 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-2019-9897
CISA Vulnrichment
Updated n/a