How severe is CVE-2020-29658?

CVE-2020-29658 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-2020-29658 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29658?

CVE-2020-29658 affects Zohocorp Manageengine Applications Control Plus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29658?

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-2020-29658 published?

CVE-2020-29658 was published on 2021-03-05 and last updated on 2026-06-17.

CVE-2020-29658

CVE-2020-29658 is a critical-severity vulnerability in Zohocorp Manageengine Applications Control 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: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Zohocorp Manageengine Applications Control Plus
Published: 2021-03-05
Last modified: 2026-06-17

Description

Zoho ManageEngine Application Control Plus before 100523 has an insecure SSL configuration setting for Nginx, leading to Privilege Escalation.

Frequently asked questions

What is CVE-2020-29658?: Zoho ManageEngine Application Control Plus before 100523 has an insecure SSL configuration setting for Nginx, leading to Privilege Escalation.
How severe is CVE-2020-29658?: CVE-2020-29658 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-2020-29658 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29658?: CVE-2020-29658 affects Zohocorp Manageengine Applications Control Plus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29658?: 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-2020-29658 published?: CVE-2020-29658 was published on 2021-03-05 and last updated on 2026-06-17.

References

https://www.manageengine.com/application-control/knowledge-base/privilege-escalation-vulnerability-open-SSL.html

Affected products (1)

cpe:2.3:a:zohocorp:manageengine_applications_control_plus:*:*:*:*:*:*:*:*