How severe is CVE-2021-44676?

CVE-2021-44676 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-44676 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44676?

CVE-2021-44676 primarily affects Zohocorp Manageengine Access Manager Plus. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-44676?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-44676 published?

CVE-2021-44676 was published on 2021-12-20 and last updated on 2026-06-17.

CVE-2021-44676

CVE-2021-44676 is a critical-severity vulnerability in Zohocorp Manageengine Access Manager Plus with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Zohocorp Manageengine Access Manager Plus
Published: 2021-12-20
Last modified: 2026-06-17

Description

Zoho ManageEngine Access Manager Plus before 4203 allows anyone to view a few data elements (e.g., access control details) and modify a few aspects of the application state.

Frequently asked questions

What is CVE-2021-44676?: Zoho ManageEngine Access Manager Plus before 4203 allows anyone to view a few data elements (e.g., access control details) and modify a few aspects of the application state.
How severe is CVE-2021-44676?: CVE-2021-44676 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-44676 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44676?: CVE-2021-44676 primarily affects Zohocorp Manageengine Access Manager Plus. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-44676?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-44676 published?: CVE-2021-44676 was published on 2021-12-20 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:zohocorp:manageengine_access_manager_plus:4.1:build4100:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_access_manager_plus:4.1:build4101:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_access_manager_plus:4.2:build4200:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_access_manager_plus:4.2:build4201:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_access_manager_plus:4.2:build4202:*:*:*:*:*:*

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CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
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