How severe is CVE-2021-42002?

CVE-2021-42002 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-2021-42002 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42002?

CVE-2021-42002 primarily affects Zohocorp Manageengine Admanager Plus. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-42002?

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-2021-42002 published?

CVE-2021-42002 was published on 2021-11-11 and last updated on 2026-06-17.

CVE-2021-42002

CVE-2021-42002 is a critical-severity vulnerability in Zohocorp Manageengine Admanager 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Zohocorp Manageengine Admanager Plus
Published: 2021-11-11
Last modified: 2026-06-17

Description

Zoho ManageEngine ADManager Plus before 7115 is vulnerable to a filter bypass that leads to file-upload remote code execution.

Frequently asked questions

What is CVE-2021-42002?: Zoho ManageEngine ADManager Plus before 7115 is vulnerable to a filter bypass that leads to file-upload remote code execution.
How severe is CVE-2021-42002?: CVE-2021-42002 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-2021-42002 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42002?: CVE-2021-42002 primarily affects Zohocorp Manageengine Admanager Plus. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-42002?: 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-2021-42002 published?: CVE-2021-42002 was published on 2021-11-11 and last updated on 2026-06-17.

References

https://www.manageengine.com/products/ad-manager/release-notes.html#7115

Affected products (10)

cpe:2.3:a:zohocorp:manageengine_admanager_plus:*:*:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:-:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7100:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7101:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7102:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7110:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7111:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7112:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7113:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7114:*:*:*:*:*:*

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