CRITICAL
v5/config/system.php in dayrui FineCms 5.2.0 has a default SYS_KEY value and does not require key regeneration for each installation, which allows remote attackers to upload arbitrary .php files via a member api swfupload action to index.php
Published Nov 21, 2017
9.8
CRITICALCVSS 3.0
EPSS 2.14%
Description
v5/config/system.php in dayrui FineCms 5.2.0 has a default SYS_KEY value and does not require key regeneration for each installation, which allows remote attackers to upload arbitrary .php files via a member api swfupload action to index.php.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
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.
2.14% 0.02141
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02141
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 (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.14% (0.02141) | 81.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.14% (0.02141) | 79.60th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.75% (0.00748) | 70.78th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.79% (0.01787) | 71.50th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.79% (0.00794) | 81.78th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.79% (0.00794) | 81.68th | v3 (v2023.03.01) |
| Nov 1, 2023 | 0.79% (0.00794) | 79.67th | v3 (v2023.03.01) |
| May 8, 2023 | 1.12% (0.01124) | 82.49th | v3 (v2023.03.01) |
| Apr 14, 2023 | 1.12% (0.01118) | 82.44th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.08% (0.01078) | 82.01th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.78% (0.00785) | 22.12th | v1 |
| Jan 6, 2022 | 0.78% (0.00785) | 21.52th | v1 |
| Sep 1, 2021 | 0.78% (0.00785) | 52.07th | v1 |
| Apr 14, 2021 | 0.78% (0.00785) | 0.00th | v1 |
Weaknesses (0)
No CWE recorded.
References (2)
- https://gitee.com/dayrui/finecms/commit/ff4b7ad3c3fbd3245b3bb7bc774d20c9705d9882 x_refsource_MISCPatchThird Party Advisory
- https://user-images.githubusercontent.com/31153532/33065202-21b536f2-cee3-11e7-997a-c7d4f1b00ca7.jpg x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://gitee.com/dayrui/finecms/commit/ff4b7ad3c3fbd3245b3bb7bc774d20c9705d9882 | x_refsource_MISCPatchThird Party Advisory | |
| https://user-images.githubusercontent.com/31153532/33065202-21b536f2-cee3-11e7-997a-c7d4f1b00ca7.jpg | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Nov 21, 2017
Updated Aug 5, 2024
Reserved Nov 21, 2017
Link CVE-2017-16920
CISA Vulnrichment
Updated n/a