How severe is CVE-2021-44651?

CVE-2021-44651 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-44651 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44651?

CVE-2021-44651 primarily affects Zohocorp Manageengine Cloud Security Plus. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-44651?

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-2021-44651 published?

CVE-2021-44651 was published on 2022-01-12 and last updated on 2026-06-17.

CVE-2021-44651

CVE-2021-44651 is a high-severity vulnerability in Zohocorp Manageengine Cloud Security Plus with a CVSS 3.x base score of 8.8. 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Zohocorp Manageengine Cloud Security Plus
Published: 2022-01-12
Last modified: 2026-06-17

Description

Zoho ManageEngine CloudSecurityPlus before Build 4117 allows remote code execution through the updatePersonalizeSettings component due to an improper security patch for CVE-2021-40175.

Frequently asked questions

What is CVE-2021-44651?: Zoho ManageEngine CloudSecurityPlus before Build 4117 allows remote code execution through the updatePersonalizeSettings component due to an improper security patch for CVE-2021-40175.
How severe is CVE-2021-44651?: CVE-2021-44651 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-44651 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44651?: CVE-2021-44651 primarily affects Zohocorp Manageengine Cloud Security Plus. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-44651?: 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-2021-44651 published?: CVE-2021-44651 was published on 2022-01-12 and last updated on 2026-06-17.

References

https://sahildhar.github.io/blogpost/Zoho-ManageEngine-CloudSecurityPlus-Remote-Code-Execution-via-Security-Misconfiguration/

Affected products (9)

cpe:2.3:a:zohocorp:manageengine_cloud_security_plus:*:*:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_cloud_security_plus:4.1:-:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_cloud_security_plus:4.1:build4110:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_cloud_security_plus:4.1:build4111:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_cloud_security_plus:4.1:build4112:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_cloud_security_plus:4.1:build4113:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_cloud_security_plus:4.1:build4115:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_cloud_security_plus:4.1:build4116:*:*:*:*:*:*
cpe:2.3:a:zohocorp:log360:*:*:*:*:*:*:*:*

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