Zoho vulnerabilities
- Zoho has 78 CVE records published between 28 Oct 2023 and 28 Oct 2026, ranking #199 of 420 vendors on this site by that count.
- Of the 78 with a CVSS score, 57 (73.1%) are rated critical or high; 0 (0% of all) have no CVSS score.
- 9 vulnerabilities attributed to Zoho are listed in CISA's Known Exploited Vulnerabilities (KEV) catalog; the most recent, CVE-2022-28810, was added on 7 Mar 2023.
- 2 of them (22.2%) are marked as known to be used in ransomware campaigns.
- For the 9 KEV entries with a published CVE record, the median time from CVE publication to KEV listing is 65 days.
Records are attributed to Zoho from the vendor named in the source records. About the data.
CVE records per year
Show data as a table
| Year | CVE records |
|---|---|
| 2017 | 2 |
| 2018 | 0 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 0 |
| 2025 | 20 |
| 2026 | 58 |
2026 is partial (through 28 Oct 2026), shown in a lighter bar.
| Year | Records | Critical | High | Critical or high | Not scored |
|---|---|---|---|---|---|
| 2026 | 58 | 7 | 41 | 82.8% | 0% |
| 2025 | 20 | 1 | 8 | 45% | 0% |
| 2024 | 0 | 0 | 0 | — | — |
| 2023 | 2 | 1 | 0 | 100% | 50% |
| 2022 | 3 | 1 | 1 | 66.7% | 0% |
| 2021 | 5 | 4 | 0 | 100% | 20% |
| 2020 | 2 | 1 | 0 | 100% | 50% |
| 2019 | 1 | 0 | 1 | 100% | 0% |
| 2018 | 0 | 0 | 0 | — | — |
| 2017 | 2 | 0 | 0 | — | 100% |
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Exploited vulnerabilities in CISA's KEV catalog
| CVE | Product | Name | Added | Ransomware |
|---|---|---|---|---|
| CVE-2022-28810 | ManageEngine | Zoho ManageEngine ADSelfService Plus Remote Code Execution Vulnerability | 2023-03-07 | Unknown |
| CVE-2022-47966 | ManageEngine | Zoho ManageEngine Multiple Products Remote Code Execution Vulnerability | 2023-01-23 | Known |
| CVE-2022-35405 | ManageEngine | Zoho ManageEngine Multiple Products Remote Code Execution Vulnerability | 2022-09-22 | Unknown |
| CVE-2021-44515 | Desktop Central | Zoho Desktop Central Authentication Bypass Vulnerability | 2021-12-10 | Unknown |
| CVE-2021-37415 | ManageEngine ServiceDesk Plus (SDP) | Zoho ManageEngine ServiceDesk Authentication Bypass Vulnerability | 2021-12-01 | Unknown |
| CVE-2021-44077 | ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus | Zoho ManageEngine ServiceDesk Plus Remote Code Execution Vulnerability | 2021-12-01 | Unknown |
| CVE-2019-8394 | ManageEngine | Zoho ManageEngine ServiceDesk Plus (SDP) File Upload Vulnerability | 2021-11-03 | Unknown |
| CVE-2020-10189 | ManageEngine | Zoho ManageEngine Desktop Central File Upload Vulnerability | 2021-11-03 | Unknown |
| CVE-2021-40539 | ManageEngine | Zoho ManageEngine ADSelfService Plus Authentication Bypass Vulnerability | 2021-11-03 | Known |
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.
Highest exploit-prediction scores (EPSS)
EPSS estimates the probability that a vulnerability is exploited in the next 30 days. These are the 10 highest-scoring Zoho records today.
| CVE | EPSS | Percentile | Severity | In KEV |
|---|---|---|---|---|
| CVE-2020-10189 | 99.9% | 100% | Critical | Yes |
| CVE-2022-35405 | 99.9% | 100% | Critical | Yes |
| CVE-2021-44515 | 99.9% | 100% | Critical | Yes |
| CVE-2021-37415 | 99.8% | 100% | Critical | Yes |
| CVE-2022-47966 | 99.8% | 100% | Critical | Yes |
| CVE-2021-40539 | 99% | 99.9% | Critical | Yes |
| CVE-2021-44077 | 93.3% | 99.8% | Critical | Yes |
| CVE-2017-11512 | 79.6% | 99.6% | Not scored | No |
| CVE-2022-28810 | 71% | 99.4% | Medium | Yes |
| CVE-2019-8394 | 63.3% | 99.2% | High | Yes |
Source: FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.27, as of 27 Oct 2026. About the data.