How severe is CVE-2021-20131?

CVE-2021-20131 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-2021-20131 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-20131?

CVE-2021-20131 primarily affects Zohocorp Manageengine Admanager Plus. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-20131?

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-2021-20131 published?

CVE-2021-20131 was published on 2021-10-13 and last updated on 2026-06-17.

CVE-2021-20131

CVE-2021-20131 is a high-severity vulnerability in Zohocorp Manageengine Admanager Plus with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation. 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: 16% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Zohocorp Manageengine Admanager Plus
Published: 2021-10-13
Last modified: 2026-06-17

Description

ManageEngine ADManager Plus Build 7111 contains a post-authentication remote code execution vulnerability due to improperly validated file uploads in the Personalization interface.

Frequently asked questions

What is CVE-2021-20131?: ManageEngine ADManager Plus Build 7111 contains a post-authentication remote code execution vulnerability due to improperly validated file uploads in the Personalization interface.
How severe is CVE-2021-20131?: CVE-2021-20131 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-2021-20131 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-20131?: CVE-2021-20131 primarily affects Zohocorp Manageengine Admanager Plus. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-20131?: 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-2021-20131 published?: CVE-2021-20131 was published on 2021-10-13 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2021-43

Affected products (6)

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:*:*:*:*:*:*

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