Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution
Published Sep 7, 2021 ·Due Nov 17, 2021
9.8
CRITICALCVSS 3.1
EPSS 98.96%
Description
Zoho ManageEngine ADSelfService Plus version 6113 and prior is vulnerable to REST API authentication bypass with resultant remote code execution.
Affected products
No data.
- < 6.1
- 6.1
- 6.1
- 6.1
- 6.1
- 6.1
- 6.1
- 6.1
- 6.1
- 6.1
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
Date Added
Nov 3, 2021
Patch Due
Nov 17, 2021
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Feb 3, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 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 (28 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 98.96% (0.98960) | 99.93th | v5 (v2026.06.15) |
| Jun 15, 2026 | 98.96% (0.98960) | 99.92th | v5 (v2026.06.15) |
| Mar 17, 2025 | 94.42% (0.94424) | 99.98th | v4 (v2025.03.14) |
| Dec 12, 2024 | 97.50% (0.97496) | 99.98th | v3 (v2023.03.01) |
| May 23, 2024 | 97.49% (0.97492) | 99.98th | v3 (v2023.03.01) |
| Mar 5, 2024 | 97.50% (0.97499) | 99.97th | v3 (v2023.03.01) |
| Feb 7, 2024 | 97.49% (0.97492) | 99.97th | v3 (v2023.03.01) |
| Nov 30, 2023 | 97.41% (0.97412) | 99.91th | v3 (v2023.03.01) |
| Oct 18, 2023 | 97.40% (0.97402) | 99.90th | v3 (v2023.03.01) |
| Oct 4, 2023 | 97.41% (0.97410) | 99.90th | v3 (v2023.03.01) |
| Sep 22, 2023 | 97.42% (0.97422) | 99.91th | v3 (v2023.03.01) |
| Sep 21, 2023 | 97.51% (0.97511) | 99.97th | v3 (v2023.03.01) |
| Aug 23, 2023 | 97.49% (0.97487) | 99.95th | v3 (v2023.03.01) |
| Jul 15, 2023 | 97.47% (0.97472) | 99.94th | v3 (v2023.03.01) |
| Jul 11, 2023 | 97.44% (0.97438) | 99.91th | v3 (v2023.03.01) |
| Jul 8, 2023 | 97.47% (0.97465) | 99.93th | v3 (v2023.03.01) |
| Jun 12, 2023 | 97.50% (0.97497) | 99.96th | v3 (v2023.03.01) |
| May 8, 2023 | 97.52% (0.97519) | 99.97th | v3 (v2023.03.01) |
| Apr 29, 2023 | 97.51% (0.97508) | 99.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 97.53% (0.97526) | 99.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 95.95% (0.95954) | 99.98th | v2 (v2022.01.01) |
| Jul 29, 2022 | 95.95% (0.95954) | 99.98th | v2 (v2022.01.01) |
| Feb 4, 2022 | 95.63% (0.95627) | 99.98th | v2 (v2022.01.01) |
| Feb 3, 2022 | 38.17% (0.38170) | 98.15th | v1 |
| Nov 27, 2021 | 38.17% (0.38170) | 99.22th | v1 |
| Nov 25, 2021 | 31.60% (0.31602) | 98.56th | v1 |
| Sep 17, 2021 | 5.88% (0.05885) | 89.49th | v1 |
| Sep 8, 2021 | 1.37% (0.01374) | 70.77th | v1 |
References (4)
- http://packetstormsecurity.com/files/165085/ManageEngine-ADSelfService-Plus-Authentication-Bypass-Code-Execution.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40539 government-resourceUS Government Resource
- https://www.manageengine.com x_refsource_MISCProduct
- https://www.manageengine.com/products/self-service-password/kb/how-to-fix-authentication-bypass-vulnerability-in-REST-API.html x_refsource_MISCPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/165085/ManageEngine-ADSelfService-Plus-Authentication-Bypass-Code-Execution.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40539 | government-resourceUS Government Resource | |
| https://www.manageengine.com | x_refsource_MISCProduct | |
| https://www.manageengine.com/products/self-service-password/kb/how-to-fix-authentication-bypass-vulnerability-in-REST-API.html | x_refsource_MISCPatchVendor Advisory |
Change history (0)
No recorded changes yet.