How severe is CVE-2020-10816?

CVE-2020-10816 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-10816 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10816?

CVE-2020-10816 primarily affects Zohocorp Manageengine Applications Manager. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-10816?

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-2020-10816 published?

CVE-2020-10816 was published on 2020-10-08 and last updated on 2026-06-17.

CVE-2020-10816

CVE-2020-10816 is a high-severity vulnerability in Zohocorp Manageengine Applications Manager with a CVSS 3.x base score of 7.5. 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 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Zohocorp Manageengine Applications Manager
Published: 2020-10-08
Last modified: 2026-06-17

Description

Zoho ManageEngine Applications Manager 14780 and before allows a remote unauthenticated attacker to register managed servers via AAMRequestProcessor servlet.

Frequently asked questions

What is CVE-2020-10816?: Zoho ManageEngine Applications Manager 14780 and before allows a remote unauthenticated attacker to register managed servers via AAMRequestProcessor servlet.
How severe is CVE-2020-10816?: CVE-2020-10816 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-10816 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10816?: CVE-2020-10816 primarily affects Zohocorp Manageengine Applications Manager. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-10816?: 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-2020-10816 published?: CVE-2020-10816 was published on 2020-10-08 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:zohocorp:manageengine_applications_manager:14.7:-:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_applications_manager:14.7:build14700:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_applications_manager:14.7:build14710:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_applications_manager:14.7:build14720:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_applications_manager:14.7:build14730:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_applications_manager:14.7:build14740:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_applications_manager:14.7:build14750:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_applications_manager:14.7:build14760:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_applications_manager:14.7:build14770:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_applications_manager:14.7:build14780:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →