In modules/HELPBOT_MODULE in Budabot 0.6 through 4.0, lax syntax validation allows remote attackers to perform a command injection attack against the PHP daemon with a crafted command, resulting in a denial of service or possibly unspecified other impact, as demonstrated by the "!calc 5 x 5" command
Published Nov 30, 2018
9.8
CRITICALCVSS 3.0
EPSS 4.05%
Description
In modules/HELPBOT_MODULE in Budabot 0.6 through 4.0, lax syntax validation allows remote attackers to perform a command injection attack against the PHP daemon with a crafted command, resulting in a denial of service or possibly unspecified other impact, as demonstrated by the "!calc 5 x 5" command. In versions before 3.0, modules/HELPBOT_MODULE/calc.php has the vulnerable code; in 3.0 and above, modules/HELPBOT_MODULE/HelpbotController.class.php has the vulnerable code.
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:P/I:P/A:P
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 (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.05% (0.04048) | 90.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.05% (0.04048) | 89.28th | v5 (v2026.06.15) |
| Nov 21, 2025 | 2.95% (0.02950) | 85.96th | v4 (v2025.03.14) |
| Nov 18, 2025 | 4.95% (0.04947) | 88.60th | v4 (v2025.03.14) |
| May 5, 2025 | 2.60% (0.02602) | 84.76th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.38% (0.04382) | 87.92th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.80% (0.12798) | 90.01th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.38% (0.04382) | 88.22th | v4 (v2025.03.14) |
| Jul 20, 2024 | 1.13% (0.01130) | 84.82th | v3 (v2023.03.01) |
| Apr 22, 2024 | 1.13% (0.01130) | 84.49th | v3 (v2023.03.01) |
| Aug 31, 2023 | 1.15% (0.01147) | 83.02th | v3 (v2023.03.01) |
| Jul 28, 2023 | 1.28% (0.01280) | 83.94th | v3 (v2023.03.01) |
| Jun 26, 2023 | 1.20% (0.01202) | 83.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.54% (0.01539) | 85.03th | 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 | 0.98% (0.00976) | 26.54th | v1 |
| Jan 6, 2022 | 0.98% (0.00976) | 25.91th | v1 |
| Sep 1, 2021 | 0.98% (0.00976) | 61.78th | v1 |
| Apr 14, 2021 | 0.98% (0.00976) | 0.00th | v1 |
References (2)
- http://packetstormsecurity.com/files/150391/Budabot-4.0-Denial-Of-Service.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2018/Nov/44 mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/150391/Budabot-4.0-Denial-Of-Service.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| http://seclists.org/fulldisclosure/2018/Nov/44 | mailing-listx_refsource_FULLDISCExploitMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.