CVE-2021-35964
CVE-2021-35964 is a high-severity vulnerability in Learningdigital Orca Hcm with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: High (CVSS 3.x base score 7.3)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Learningdigital Orca Hcm
- Published:
- Last modified:
Description
The management page of the Orca HCM digital learning platform does not perform identity verification, which allows remote attackers to execute the management function without logging in, access members’ information, modify and delete the courses in system, thus causing users fail to access the learning content.
Frequently asked questions
- What is CVE-2021-35964?
- The management page of the Orca HCM digital learning platform does not perform identity verification, which allows remote attackers to execute the management function without logging in, access members’ information, modify and delete the courses in system, thus causing users fail to access the learning content.
- How severe is CVE-2021-35964?
- CVE-2021-35964 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2021-35964 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-35964?
- CVE-2021-35964 affects Learningdigital Orca Hcm. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-35964?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-35964 published?
- CVE-2021-35964 was published on 2021-07-19 and last updated on 2026-06-17.
References
- https://www.chtsecurity.com/news/ba7b3ae7-14f3-4970-b3f6-4d97d8c7ea25
- https://www.twcert.org.tw/tw/cp-132-4924-f74d5-1.html
Affected products (1)
- cpe:2.3:a:learningdigital:orca_hcm:*:*:*:*:*:*:*:*
More vulnerabilities in Learningdigital Orca Hcm
- CVE-2025-1387 — Critical (CVSS 9.8): Orca HCM from LEARNING DIGITAL has an Improper Authentication vulnerability, allowing unauthenticated remote attackers…
- CVE-2024-8584 — Critical (CVSS 9.8): Orca HCM from LEARNING DIGITAL has an Missing Authentication vulnerability, allowing unauthenticated remote attacker to…
- CVE-2021-35965 — Critical (CVSS 9.8): The Orca HCM digital learning platform uses a weak factory default administrator password, which is hard-coded in the…
- CVE-2021-35963 — Critical (CVSS 9.8): The specific parameter of upload function of the Orca HCM digital learning platform does not filter file format, which…
- CVE-2025-1389 — High (CVSS 8.8): Orca HCM from Learning Digital has a SQL Injection vulnerability, allowing attackers with regular privileges to inject…
- CVE-2025-1388 — High (CVSS 8.8): Orca HCM from LEARNING DIGITAL has an Arbitrary File Upload vulnerability, allowing remote attackers with regular…
All CVEs affecting Learningdigital Orca Hcm →
Other CWE-287 (Improper Authentication) vulnerabilities
- CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
- CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
- CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
- CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
- CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…
Browse all CWE-287 (Improper Authentication) vulnerabilities →