Cyber Resilience

CVE-2021-38147

HighPublic PoC

Published: 29 November 2021

Published
29 November 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.7011 98.7th percentile
Risk Priority 57 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-38147 is a high-severity Missing Authentication for Critical Function (CWE-306) vulnerability in Wipro Holmes. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 1.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Wipro Holmes Orchestrator 20.4.1 (20.4.1_02_11_2020) allows remote attackers to download arbitrary files, such as reports containing sensitive information, because authentication is not required for API access to processexecution/DownloadExcelFile/Domain_Credential_Report_Excel, processexecution/DownloadExcelFile/User_Report_Excel, processexecution/DownloadExcelFile/Process_Report_Excel, processexecution/DownloadExcelFile/Infrastructure_Report_Excel, or processexecution/DownloadExcelFile/Resolver_Report_Excel.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

wipro
holmes
20.4.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-306

Requires established identification and authentication to unlock, mitigating missing authentication for continued system access.

addresses: CWE-306

Requiring identification and rationale for actions allowed without authentication ensures critical functions are not left unprotected by forcing review of authentication requirements.

addresses: CWE-306

Authorizing mobile device connections to organizational systems ensures authentication is performed for this critical access function.

addresses: CWE-306

Guarantees critical functions are protected by mandatory invocation of the access control mechanism.

addresses: CWE-306

Auditing sessions makes it possible to detect access to critical functions without required authentication.

addresses: CWE-306

The assessment process confirms authentication is present and effective for critical functions, preventing exploitation from missing authentication.

addresses: CWE-306

Certification assesses that critical functions have required authentication controls in place.

addresses: CWE-306

Disabling non-essential functions and services eliminates the need to secure them, reducing exposure from missing authentication on unnecessary components.

References