How severe is CVE-2020-15594?

CVE-2020-15594 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-15594 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15594?

CVE-2020-15594 affects Zohocorp Manageengine Application Control Plus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15594?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-15594 published?

CVE-2020-15594 was published on 2020-09-30 and last updated on 2026-06-17.

CVE-2020-15594

CVE-2020-15594 is a medium-severity vulnerability in Zohocorp Manageengine Application Control Plus with a CVSS 3.x base score of 4.3. 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-918.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Zohocorp Manageengine Application Control Plus
Published: 2020-09-30
Last modified: 2026-06-17

Description

An SSRF issue was discovered in Zoho Application Control Plus before version 10.0.511. The mail gateway configuration feature allows an attacker to perform a scan in order to discover open ports on a machine as well as available machines on the network segment on which the instance of the product is deployed.

Frequently asked questions

What is CVE-2020-15594?: An SSRF issue was discovered in Zoho Application Control Plus before version 10.0.511. The mail gateway configuration feature allows an attacker to perform a scan in order to discover open ports on a machine as well as available machines on the network segment on which the instance of the product is deployed.
How severe is CVE-2020-15594?: CVE-2020-15594 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-15594 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15594?: CVE-2020-15594 affects Zohocorp Manageengine Application Control Plus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15594?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-15594 published?: CVE-2020-15594 was published on 2020-09-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zohocorp:manageengine_application_control_plus:*:*:*:*:*:*:*:*

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