CVE-2021-35963: Learningdigital.com, Inc. Orca HCM - Unrestricted Upload of File with Dangerous Type

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-19 · updated 2026-06-17
Weakness: CWE-434

Description

The specific parameter of upload function of the Orca HCM digital learning platform does not filter file format, which allows remote unauthenticated attackers to upload files containing malicious script to execute RCE attacks.

Affected products

Learningdigital.com, Inc. Orca HCM: through 10.0

References

https://www.chtsecurity.com/news/ba7b3ae7-14f3-4970-b3f6-4d97d8c7ea25
https://www.twcert.org.tw/tw/cp-132-4923-d68e6-1.html
https://www.chtsecurity.com/news/ba7b3ae7-14f3-4970-b3f6-4d97d8c7ea25
https://www.twcert.org.tw/tw/cp-132-4923-d68e6-1.html

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