HIGH
The TFTP server in ExtraPuTTY 0.30 and earlier allows remote attackers to cause a denial of service (crash) via a large (1) read or (2) write TFTP protocol message
Published Mar 27, 2017
7.5
HIGHCVSS 3.0
EPSS 5.95%
Description
The TFTP server in ExtraPuTTY 0.30 and earlier allows remote attackers to cause a denial of service (crash) via a large (1) read or (2) write TFTP protocol message.
Affected products
No data.
- ≤ 0.29
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.
5.95% 0.05949
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.05949
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.95% (0.05949) | 93.05th | v5 (v2026.06.15) |
| Sep 22, 2026 | 5.95% (0.05949) | 92.94th | v5 (v2026.06.15) |
| Sep 21, 2026 | 4.89% (0.04887) | 91.69th | v5 (v2026.06.15) |
| Sep 6, 2026 | 5.95% (0.05949) | 92.79th | v5 (v2026.06.15) |
| Sep 5, 2026 | 4.89% (0.04887) | 91.51th | v5 (v2026.06.15) |
| Aug 30, 2026 | 5.95% (0.05949) | 92.75th | v5 (v2026.06.15) |
| Aug 28, 2026 | 4.89% (0.04887) | 91.46th | v5 (v2026.06.15) |
| Aug 24, 2026 | 5.95% (0.05949) | 92.70th | v5 (v2026.06.15) |
| Aug 23, 2026 | 4.89% (0.04887) | 91.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.95% (0.05949) | 92.31th | v5 (v2026.06.15) |
| May 12, 2026 | 34.94% (0.34936) | 97.06th | v4 (v2025.03.14) |
| Nov 21, 2025 | 30.06% (0.30059) | 96.46th | v4 (v2025.03.14) |
| Nov 18, 2025 | 21.42% (0.21422) | 95.32th | v4 (v2025.03.14) |
| Mar 17, 2025 | 30.06% (0.30059) | 96.26th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.45% (0.01452) | 86.39th | v3 (v2023.03.01) |
| May 19, 2024 | 4.69% (0.04692) | 92.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.70% (0.05696) | 92.10th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.38% (0.08382) | 93.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.38% (0.08382) | 82.62th | v2 (v2022.01.01) |
| Feb 3, 2022 | 6.89% (0.06891) | 83.32th | v5 (v2026.06.15) |
| Apr 14, 2021 | 6.89% (0.06891) | 0.00th | v1 |
Weaknesses (1)
References (4)
- http://packetstormsecurity.com/files/141705/ExtraPuTTY-029_rc2-Denial-Of-Service.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/archive/1/540300/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/96973 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/41639/ exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/141705/ExtraPuTTY-029_rc2-Denial-Of-Service.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/archive/1/540300/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/96973 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/41639/ | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 27, 2017
Updated Aug 5, 2024
Reserved Mar 19, 2017
Link CVE-2017-7183
CISA Vulnrichment
Updated n/a