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Zoho (ManageEngine) security incident history

Updated Oct 26, 2026. Data gathered daily from official public sources.

As of Oct 26, 2026, Vendor History found 9 actively exploited security flaws for Zoho (ManageEngine), dated Nov 3, 2021 to Mar 7, 2023. Sources checked: the California and Washington Attorney General breach lists and CISA's Known Exploited Vulnerabilities catalog.

Breach notices and SEC cyber filings

None found in the sources we check.

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Actively exploited security flaws

Flaws in Zoho (ManageEngine) products that CISA lists as exploited by attackers. If you use an affected product, check that it's updated. What a listing means.

1. Mar 7, 2023Exploited flaw

   Zoho ManageEngine ADSelfService Plus Remote Code Execution Vulnerability (CVE-2022-28810). Added to CISA's list of security flaws known to be exploited by attackers.

   Source: CISA Known Exploited Vulnerabilities catalog

2. Jan 23, 2023Exploited flaw

   Zoho ManageEngine Multiple Products Remote Code Execution Vulnerability (CVE-2022-47966). Added to CISA's list of security flaws known to be exploited by attackers. CISA lists it as used in ransomware campaigns.

   Source: CISA Known Exploited Vulnerabilities catalog

3. Sep 22, 2022Exploited flaw

   Zoho ManageEngine Multiple Products Remote Code Execution Vulnerability (CVE-2022-35405). Added to CISA's list of security flaws known to be exploited by attackers.

   Source: CISA Known Exploited Vulnerabilities catalog

4. Dec 10, 2021Exploited flaw

   Zoho Desktop Central Authentication Bypass Vulnerability (CVE-2021-44515). Added to CISA's list of security flaws known to be exploited by attackers.

   Source: CISA Known Exploited Vulnerabilities catalog

5. Dec 1, 2021Exploited flaw

   Zoho ManageEngine ServiceDesk Authentication Bypass Vulnerability (CVE-2021-37415). Added to CISA's list of security flaws known to be exploited by attackers.

   Source: CISA Known Exploited Vulnerabilities catalog

6. Dec 1, 2021Exploited flaw

   Zoho ManageEngine ServiceDesk Plus Remote Code Execution Vulnerability (CVE-2021-44077). Added to CISA's list of security flaws known to be exploited by attackers.

   Source: CISA Known Exploited Vulnerabilities catalog

7. Nov 3, 2021Exploited flaw

   Zoho ManageEngine ServiceDesk Plus (SDP) File Upload Vulnerability (CVE-2019-8394). Added to CISA's list of security flaws known to be exploited by attackers.

   Source: CISA Known Exploited Vulnerabilities catalog

8. Nov 3, 2021Exploited flaw

   Zoho ManageEngine Desktop Central File Upload Vulnerability (CVE-2020-10189). Added to CISA's list of security flaws known to be exploited by attackers.

   Source: CISA Known Exploited Vulnerabilities catalog

9. Nov 3, 2021Exploited flaw

   Zoho ManageEngine ADSelfService Plus Authentication Bypass Vulnerability (CVE-2021-40539). Added to CISA's list of security flaws known to be exploited by attackers. CISA lists it as used in ransomware campaigns.

   Source: CISA Known Exploited Vulnerabilities catalog

We check: California and Washington Attorney General breach notices, SEC cyber incident filings (Form 8-K, Item 1.05) and CISA's catalog of actively exploited security flaws. An empty section means we found nothing in those sources. It does not mean nothing happened. How it works

To cite: Vendor History, "Zoho (ManageEngine) security incident history," vendorhistory.com/vendor/zoho, data checked Oct 26, 2026. Free to reuse under CC BY 4.0 with credit to Vendor History.