# CVE-2021-44515: Zoho Desktop Central Authentication Bypass Vulnerability

> CVE-2021-44515: Zoho Desktop Central Authentication Bypass Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2021-44515
Last updated: 2025-10-21T23:25:22Z

- Published: 2021-12-12 04:04 UTC · Updated: 2025-10-21 23:25 UTC · Assigner: mitre
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 99.9%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-12-10, federal due date 2021-12-24, ransomware use: Unknown

## Description

Zoho ManageEngine Desktop Central is vulnerable to authentication bypass, leading to remote code execution on the server, as exploited in the wild in December 2021. For Enterprise builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For Enterprise builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3. For MSP builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For MSP builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Zoho: Desktop Central

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2021-44515)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2021-44515)
- [https://pitstop.manageengine.com/portal/en/community/topic/an-authentication-bypass-vulnerability-identified-and-fixed-in-desktop-central-and-desktop-central-msp](https://pitstop.manageengine.com/portal/en/community/topic/an-authentication-bypass-vulnerability-identified-and-fixed-in-desktop-central-and-desktop-central-msp)
- [https://www.cisa.gov/uscert/ncas/current-activity/2021/12/10/cisa-adds-thirteen-known-exploited-vulnerabilities-catalog](https://www.cisa.gov/uscert/ncas/current-activity/2021/12/10/cisa-adds-thirteen-known-exploited-vulnerabilities-catalog)
- [https://www.manageengine.com/products/desktop-central/cve-2021-44515-authentication-bypass-filter-configuration.html](https://www.manageengine.com/products/desktop-central/cve-2021-44515-authentication-bypass-filter-configuration.html)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2021-44515 · Markdown: https://rewindex.com/cve/CVE-2021-44515.md · JSON: https://rewindex.com/api/v1/cves/CVE-2021-44515 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:09:49.514Z