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% (63rd 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.

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% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Learningdigital Orca Hcm
Published: 2021-07-19
Last modified: 2026-06-17

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% (63rd 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

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-2026-20317 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering…
CVE-2026-19977 — Critical (CVSS 10.0): A vulnerability was detected in EFM ipTIME A3004T 14.19.0. The affected element is the function…
CVE-2026-59500 — Critical (CVSS 10.0): CWE-287: Improper Authentication
CVE-2024-27253 — Critical (CVSS 10.0): IBM DOORS Next 7.0.3 through 7.0.3 Interim Fix 018 could allow an authenticated user to bypass security logic to…
CVE-2026-56162 — Critical (CVSS 10.0): Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-62825 — Critical (CVSS 10.0): Improper authentication in Azure Key Vault allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-287 (Improper Authentication) vulnerabilities →