How severe is CVE-2020-15588?

CVE-2020-15588 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-2020-15588 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15588?

CVE-2020-15588 affects Zohocorp Manageengine Desktop Central. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15588?

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-2020-15588 published?

CVE-2020-15588 was published on 2020-07-29 and last updated on 2026-06-17.

CVE-2020-15588

CVE-2020-15588 is a critical-severity vulnerability in Zohocorp Manageengine Desktop Central with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Zohocorp Manageengine Desktop Central
Published: 2020-07-29
Last modified: 2026-06-17

Description

An issue was discovered in the client side of Zoho ManageEngine Desktop Central 10.0.552.W. An attacker-controlled server can trigger an integer overflow in InternetSendRequestEx and InternetSendRequestByBitrate that leads to a heap-based buffer overflow and Remote Code Execution with SYSTEM privileges. This issue will occur only when untrusted communication is initiated with server. In cloud, Agent will always connect with trusted communication.

Frequently asked questions

What is CVE-2020-15588?: An issue was discovered in the client side of Zoho ManageEngine Desktop Central 10.0.552.W. An attacker-controlled server can trigger an integer overflow in InternetSendRequestEx and InternetSendRequestByBitrate that leads to a heap-based buffer overflow and Remote Code Execution with SYSTEM privileges. This issue will occur only when untrusted communication is initiated with server. In cloud, Agent will always connect with trusted communication.
How severe is CVE-2020-15588?: CVE-2020-15588 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-2020-15588 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15588?: CVE-2020-15588 affects Zohocorp Manageengine Desktop Central. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15588?: 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-2020-15588 published?: CVE-2020-15588 was published on 2020-07-29 and last updated on 2026-06-17.

References

https://www.manageengine.com/products/desktop-central/integer-overflow-vulnerability.html

Affected products (1)

cpe:2.3:a:zohocorp:manageengine_desktop_central:*:*:*:*:*:*:*:*

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