In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the $phpserial$a:0:{} syntax to store a preference
Published Jan 15, 2019
9.8
CRITICALCVSS 3.0
EPSS 3.73%
Description
In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the $phpserial$a:0:{} syntax to store a preference. An attacker either needs a "public link" of a file, or access to any unprivileged user account for creation of such a link.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (21 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.73% (0.03726) | 89.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.73% (0.03726) | 88.35th | v5 (v2026.06.15) |
| Nov 21, 2025 | 9.39% (0.09386) | 92.46th | v4 (v2025.03.14) |
| Nov 18, 2025 | 15.74% (0.15743) | 94.16th | v4 (v2025.03.14) |
| Mar 30, 2025 | 9.39% (0.09386) | 92.03th | v4 (v2025.03.14) |
| Mar 29, 2025 | 38.14% (0.38135) | 95.79th | v4 (v2025.03.14) |
| Mar 28, 2025 | 9.39% (0.09386) | 92.04th | v4 (v2025.03.14) |
| Mar 27, 2025 | 38.14% (0.38135) | 96.71th | v4 (v2025.03.14) |
| Mar 20, 2025 | 27.08% (0.27085) | 95.98th | v4 (v2025.03.14) |
| Mar 19, 2025 | 38.14% (0.38135) | 96.76th | v4 (v2025.03.14) |
| Mar 17, 2025 | 24.61% (0.24611) | 95.67th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.47% (0.00471) | 76.42th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.47% (0.00471) | 74.88th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.47% (0.00471) | 71.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 9.03% (0.09029) | 94.14th | v2 (v2022.01.01) |
| Apr 1, 2022 | 9.03% (0.09029) | 93.60th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.03% (0.09029) | 86.86th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.84% (0.01840) | 47.83th | v1 |
| Jan 6, 2022 | 1.84% (0.01840) | 47.32th | v1 |
| Sep 1, 2021 | 1.84% (0.01840) | 75.59th | v1 |
| Apr 14, 2021 | 1.84% (0.01840) | 0.00th | v1 |
References (1)
- https://blog.ripstech.com/2018/pydio-unauthenticated-remote-code-execution/ x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://blog.ripstech.com/2018/pydio-unauthenticated-remote-code-execution/ | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.