THREATPORT/VULNERABILITY/CVE-2021-20147
MEDIUM SEVERITY

CVE-2021-20147

Manageengine Adselfservice Plus vulnerability

CVSS
5.3
EPSS
6.9%
EPSS pct
93th
Exploited
No known
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.
Affected vendor
Zohocorp
Affected product
Manageengine Adselfservice Plus
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness type (CWE)
Published
2022-01-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality.

Its EPSS score of 6.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2021-20147

  • Confirm whether Zohocorp Manageengine Adselfservice Plus is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-20147.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-20147

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-20147 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2021-20147?

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