CRITICAL
E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows remote attackers to execute arbitrary code on the hosting web server and gain a reverse shell
Published Feb 15, 2021
9.8
CRITICALCVSS 3.1
EPSS 18.39%
Description
E-Learning System 1.0 suffers from an unauthenticated SQL injection vulnerability, which allows remote attackers to execute arbitrary code on the hosting web server and gain a reverse shell.
Affected products
No data.
- 1.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.1/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
No CVSS v3.0 score for this CVE.
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.
18.39% 0.18393
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.18393
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 (27 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 18.39% (0.18393) | 97.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 17.93% (0.17933) | 96.80th | v5 (v2026.06.15) |
| Jun 4, 2026 | 62.68% (0.62678) | 98.40th | v4 (v2025.03.14) |
| Mar 30, 2025 | 38.35% (0.38354) | 96.93th | v4 (v2025.03.14) |
| Mar 29, 2025 | 48.16% (0.48165) | 96.68th | v4 (v2025.03.14) |
| Mar 23, 2025 | 38.35% (0.38354) | 96.80th | v4 (v2025.03.14) |
| Mar 19, 2025 | 27.37% (0.27373) | 95.79th | v4 (v2025.03.14) |
| Mar 17, 2025 | 38.35% (0.38354) | 96.89th | v4 (v2025.03.14) |
| Dec 17, 2024 | 15.98% (0.15976) | 95.93th | v3 (v2023.03.01) |
| Dec 12, 2024 | 11.79% (0.11791) | 95.55th | v3 (v2023.03.01) |
| Jun 20, 2024 | 11.92% (0.11919) | 95.36th | v3 (v2023.03.01) |
| May 19, 2024 | 12.74% (0.12740) | 95.46th | v3 (v2023.03.01) |
| Jan 22, 2024 | 9.42% (0.09416) | 94.16th | v3 (v2023.03.01) |
| Jan 8, 2024 | 6.49% (0.06491) | 93.01th | v3 (v2023.03.01) |
| Dec 25, 2023 | 4.69% (0.04689) | 91.80th | v3 (v2023.03.01) |
| Sep 22, 2023 | 3.31% (0.03312) | 90.16th | v3 (v2023.03.01) |
| Mar 28, 2023 | 3.18% (0.03184) | 89.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.49% (0.02494) | 88.40th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.94% (0.07936) | 93.26th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.94% (0.07936) | 92.63th | v2 (v2022.01.01) |
| Feb 4, 2022 | 43.61% (0.43609) | 97.67th | v2 (v2022.01.01) |
| Feb 3, 2022 | 11.78% (0.11783) | 88.49th | v1 |
| Jan 6, 2022 | 11.78% (0.11783) | 88.35th | v1 |
| Oct 29, 2021 | 11.78% (0.11783) | 95.75th | v1 |
| Sep 1, 2021 | 10.00% (0.10004) | 95.00th | v1 |
| Jul 23, 2021 | 10.00% (0.10004) | 0.00th | v1 |
| Apr 14, 2021 | 8.15% (0.08155) | 0.00th | v1 |
Weaknesses (1)
References (5)
- https://github.com/TCSWT/E-Learning-System/blob/main/README.md x_refsource_MISCExploitThird Party Advisory
- https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/janobe/CVE-nu11-101821 x_refsource_MISCExploitThird Party Advisory
- https://packetstormsecurity.com/files/160966/E-Learning-System-1.0-SQL-Injection-Shell-Upload.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/49434 x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://www.sourcecodester.com/php/12808/e-learning-system-using-phpmysqli.html x_refsource_MISCProductThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/TCSWT/E-Learning-System/blob/main/README.md | x_refsource_MISCExploitThird Party Advisory | |
| https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/janobe/CVE-nu11-101821 | x_refsource_MISCExploitThird Party Advisory | |
| https://packetstormsecurity.com/files/160966/E-Learning-System-1.0-SQL-Injection-Shell-Upload.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/49434 | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| https://www.sourcecodester.com/php/12808/e-learning-system-using-phpmysqli.html | x_refsource_MISCProductThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 15, 2021
Updated Aug 3, 2024
Reserved Jan 22, 2021
Link CVE-2021-3239
CISA Vulnrichment
Updated n/a