HIGH
An unanchored /[a-z]{2}/ regular expression in ISPConfig before 3.1.13 makes it possible to include arbitrary files, leading to code execution
Published Oct 4, 2018
7.8
HIGHCVSS 3.0
EPSS 3.37%
Description
An unanchored /[a-z]{2}/ regular expression in ISPConfig before 3.1.13 makes it possible to include arbitrary files, leading to code execution. This is exploitable by authenticated users who have local filesystem access.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.8 HIGH NVD
CVSS:3.0/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
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.
3.37% 0.03369
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
EPSS probability 0.03369
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 (15 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 3.37% (0.03369) | 88.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.37% (0.03369) | 87.14th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.45% (0.00453) | 61.66th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.37% (0.00374) | 73.60th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.42% (0.00418) | 73.44th | v3 (v2023.03.01) |
| Sep 28, 2023 | 0.42% (0.00418) | 71.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.50% (0.00498) | 72.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.36% (0.01365) | 71.56th | v2 (v2022.01.01) |
| Feb 28, 2023 | 1.36% (0.01365) | 71.53th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.36% (0.01365) | 69.53th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.36% (0.01365) | 45.07th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.46% (0.01458) | 32.87th | v1 |
| Jan 6, 2022 | 1.46% (0.01458) | 32.17th | v1 |
| Sep 1, 2021 | 1.46% (0.01458) | 72.29th | v1 |
| Apr 14, 2021 | 1.46% (0.01458) | 0.00th | v1 |
Weaknesses (1)
References (3)
- https://0x09al.github.io/security/ispconfig/exploit/vulnerability/2018/08/20/bug-or-backdoor-ispconfig-rce.html x_refsource_MISCExploitThird Party Advisory
- https://github.com/0x09AL/0x09al.github.io/blob/master/_posts/2018-08-20-bug-or-backdoor-ispconfig-rce.markdown x_refsource_MISCExploitThird Party Advisory
- https://www.ispconfig.org/blog/ispconfig-3-1-13-released-important-security-bugfix/ x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://0x09al.github.io/security/ispconfig/exploit/vulnerability/2018/08/20/bug-or-backdoor-ispconfig-rce.html | x_refsource_MISCExploitThird Party Advisory | |
| https://github.com/0x09AL/0x09al.github.io/blob/master/_posts/2018-08-20-bug-or-backdoor-ispconfig-rce.markdown | x_refsource_MISCExploitThird Party Advisory | |
| https://www.ispconfig.org/blog/ispconfig-3-1-13-released-important-security-bugfix/ | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 4, 2018
Updated Aug 5, 2024
Reserved Oct 4, 2018
Link CVE-2018-17984
CISA Vulnrichment
Updated n/a