ManageEngine vulnerabilities: known CVEs & security history
Zoho · Actively exploited · 26 tracked CVEs · 1 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all ManageEngine release lines — 26 in total, with 1 actively exploited in the wild. A CVE here doesn't mean your version is affected — check ManageEngine's current status and the safe version to run.
Known ManageEngine CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2022-47966⚡ exploited | critical | 9.8 | 100% | 2023 |
| CVE-2021-20110 | critical | 9.8 | 7% | 2021 |
| CVE-2019-12994 | critical | 9.1 | 4% | 2019 |
| CVE-2019-12959 | high | 8.8 | 3% | 2019 |
| CVE-2019-14693 | high | 8.5 | 4% | 2019 |
| CVE-2023-35785 | high | 8.1 | 2% | 2023 |
| CVE-2023-26601 | high | 7.5 | 34% | 2023 |
| CVE-2022-35403 | high | 7.5 | 7% | 2022 |
| CVE-2021-20109 | high | 7.5 | 1% | 2021 |
| CVE-2021-20108 | high | 7.5 | 3% | 2021 |
| CVE-2019-19034 | high | 7.2 | 6% | 2020 |
| CVE-2023-26600 | medium | 6.5 | 6% | 2023 |
| CVE-2022-40772 | medium | 6.5 | 3% | 2022 |
| CVE-2020-8838 | medium | 6.4 | 2% | 2020 |
| CVE-2023-23075 | medium | 6.1 | 3% | 2023 |
| CVE-2019-12597 | medium | 6.1 | 2% | 2019 |
| CVE-2019-12596 | medium | 6.1 | 2% | 2019 |
| CVE-2019-12595 | medium | 6.1 | 2% | 2019 |
| CVE-2019-12537 | medium | 6.1 | 2% | 2019 |
| CVE-2018-17596 | medium | 6.1 | 2% | 2018 |
| CVE-2023-6105 | medium | 5.5 | 1% | 2023 |
| CVE-2023-29443 | medium | 4.9 | 3% | 2023 |
| CVE-2022-40771 | medium | 4.9 | 3% | 2022 |
| CVE-2015-2169 | medium | 4.3 | 8% | 2015 |
| CVE-2012-5956 | medium | 4.3 | 4% | 2012 |
| CVE-2015-5061 | low | 3.5 | 2% | 2015 |
Is my ManageEngine version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your ManageEngine version → · Monitor ManageEngine for new CVEs →
ManageEngine vulnerabilities — frequently asked
How many known vulnerabilities does ManageEngine have?
IsItPatched tracks 26 CVEs for ManageEngine, 1 of which is actively exploited (CISA KEV). 3 are critical-severity and 8 high-severity. These span every release line — what matters is whether the version you run is affected.
Does ManageEngine have any actively-exploited vulnerabilities?
Yes — 1 ManageEngine CVE is in CISA's Known Exploited Vulnerabilities catalog, meaning it is confirmed exploited in the wild (1 linked to ransomware). Patch it as a priority.
What is the most severe ManageEngine vulnerability?
Among tracked issues, CVE-2022-47966 (CRITICAL, CVSS 9.8), which is actively exploited, ranks highest — a Improper input validation weakness.
Is ManageEngine safe to use?
It depends on the version. The latest supported ManageEngine release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: ManageEngine security status · ManageEngine end-of-life · actively-exploited CVEs. Always verify against Zoho's advisories — see our disclaimer.