HIGH
pfSense through 2.3.4 through 2.4.4-p3 allows Remote Code Injection via a methodCall XML document with a pfsense.exec_php call containing shell metacharacters in a parameter value
Published Sep 25, 2019
8.8
HIGHCVSS 3.1
EPSS 19.61%
Description
pfSense through 2.3.4 through 2.4.4-p3 allows Remote Code Injection via a methodCall XML document with a pfsense.exec_php call containing shell metacharacters in a parameter value.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
8.8 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
9.0 HIGH NVD
AV:N/AC:L/Au:S/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
19.61% 0.19614
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.19614
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 (29 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 19.61% (0.19614) | 97.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 19.61% (0.19614) | 97.04th | v5 (v2026.06.15) |
| Dec 8, 2025 | 20.46% (0.20456) | 95.33th | v4 (v2025.03.14) |
| Nov 21, 2025 | 17.50% (0.17498) | 94.80th | v4 (v2025.03.14) |
| Nov 18, 2025 | 32.96% (0.32961) | 96.66th | v4 (v2025.03.14) |
| Oct 26, 2025 | 17.50% (0.17498) | 94.77th | v4 (v2025.03.14) |
| Sep 13, 2025 | 18.73% (0.18731) | 95.05th | v4 (v2025.03.14) |
| Aug 23, 2025 | 11.57% (0.11566) | 93.37th | v4 (v2025.03.14) |
| Mar 30, 2025 | 20.45% (0.20446) | 95.07th | v4 (v2025.03.14) |
| Mar 29, 2025 | 31.14% (0.31136) | 94.89th | v4 (v2025.03.14) |
| Mar 17, 2025 | 21.09% (0.21095) | 95.18th | v4 (v2025.03.14) |
| Dec 17, 2024 | 15.81% (0.15814) | 95.91th | v3 (v2023.03.01) |
| Oct 6, 2024 | 9.76% (0.09759) | 94.94th | v3 (v2023.03.01) |
| Aug 16, 2024 | 15.38% (0.15377) | 95.98th | v3 (v2023.03.01) |
| Jul 31, 2024 | 26.24% (0.26243) | 96.79th | v3 (v2023.03.01) |
| Jul 15, 2024 | 27.51% (0.27512) | 96.84th | v3 (v2023.03.01) |
| May 22, 2024 | 29.09% (0.29095) | 96.88th | v3 (v2023.03.01) |
| Aug 16, 2023 | 28.18% (0.28177) | 96.25th | v3 (v2023.03.01) |
| Jun 12, 2023 | 25.70% (0.25705) | 96.02th | v3 (v2023.03.01) |
| May 9, 2023 | 25.39% (0.25394) | 95.96th | v3 (v2023.03.01) |
| Mar 17, 2023 | 19.64% (0.19639) | 95.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 16.12% (0.16116) | 95.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.08% (0.08078) | 93.34th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.08% (0.08078) | 92.72th | v2 (v2022.01.01) |
| Feb 4, 2022 | 28.64% (0.28636) | 96.05th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.53% (0.04526) | 76.76th | v1 |
| Jan 6, 2022 | 4.53% (0.04526) | 76.54th | v1 |
| Sep 1, 2021 | 4.53% (0.04526) | 84.50th | v1 |
| Apr 14, 2021 | 4.53% (0.04526) | 0.00th | v1 |
Weaknesses (1)
References (3)
- http://packetstormsecurity.com/files/154587/pfSense-2.3.4-2.4.4-p3-Remote-Code-Injection.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://github.com/pfsense/pfsense/commits/master x_refsource_MISCThird Party Advisory
- https://hackernews.blog/pfsense-2-3-4-2-4-4-p3-remote-code-injection/#more x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/154587/pfSense-2.3.4-2.4.4-p3-Remote-Code-Injection.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| https://github.com/pfsense/pfsense/commits/master | x_refsource_MISCThird Party Advisory | |
| https://hackernews.blog/pfsense-2-3-4-2-4-4-p3-remote-code-injection/#more | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 25, 2019
Updated Aug 5, 2024
Reserved Sep 22, 2019
Link CVE-2019-16701
CISA Vulnrichment
Updated n/a