How severe is CVE-2020-11518?

CVE-2020-11518 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-2020-11518 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11518?

CVE-2020-11518 primarily affects Zohocorp Manageengine Adselfservice Plus. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11518?

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-2020-11518 published?

CVE-2020-11518 was published on 2020-04-04 and last updated on 2026-06-17.

CVE-2020-11518

CVE-2020-11518 is a critical-severity vulnerability in Zohocorp Manageengine Adselfservice Plus with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Zohocorp Manageengine Adselfservice Plus
Published: 2020-04-04
Last modified: 2026-06-17

Description

Zoho ManageEngine ADSelfService Plus before 5815 allows unauthenticated remote code execution.

Frequently asked questions

What is CVE-2020-11518?: Zoho ManageEngine ADSelfService Plus before 5815 allows unauthenticated remote code execution.
How severe is CVE-2020-11518?: CVE-2020-11518 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-2020-11518 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11518?: CVE-2020-11518 primarily affects Zohocorp Manageengine Adselfservice Plus. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11518?: 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-2020-11518 published?: CVE-2020-11518 was published on 2020-04-04 and last updated on 2026-06-17.

References

https://pitstop.manageengine.com/portal/community/topic/adselfservice-plus-5815-released-with-an-important-security-fix

Affected products (17)

cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:*:*:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:-:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5800:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5801:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5802:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5803:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5804:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5805:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5806:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5807:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5808:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5809:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5810:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5811:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5812:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5813:*:*:*:*:*:*
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.8:5814:*:*:*:*:*:*

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