Vulnerability Details : CVE-2021-20147
Potential exploit
ManageEngine ADSelfService Plus below build 6116 contains an observable response discrepancy in the UMCP operation of the ChangePasswordAPI. This allows an unauthenticated remote attacker to determine whether a Windows domain user exists.
Products affected by CVE-2021-20147
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:*:*:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:-:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6100:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6103:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6101:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6102:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6104:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6105:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6106:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6113:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6107:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6108:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6109:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6110:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6111:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6112:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6114:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6115:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20147
0.39%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 73 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20147
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2021-20147
-
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-20147
-
https://www.tenable.com/security/research/tra-2021-52
ManageEngine SelfService Plus Multiple Vulnerabilities - Research Advisory | TenableĀ®Exploit;Third Party Advisory
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