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CVE-2021-44515

97
FAUCET Score

CVE-2021-44515 is a critical authentication bypass vulnerability in Zoho ManageEngine Desktop Central, affecting both Enterprise and MSP builds, which can lead to remote code execution on the server. With a CVSS score of 9.8, it presents a severe risk as it requires no authentication or user interaction and grants full control over the compromised system. This vulnerability has been actively exploited in the wild since December 2021, with high community discussion and media coverage, and is listed in CISA's KEV catalog, underscoring its immediate threat. Patches are available, and organizations are urged to upgrade to the specified versions immediately.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.1.2127.18CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_desktop_central:*:*:*:*:enterprise:*:*:*
< 10.1.2127.18CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_desktop_central:*:*:*:*:managed_service_providers:*:*:*
>= 10.1.2128.0, < 10.1.2137.3CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_desktop_central:*:*:*:*:enterprise:*:*:*
>= 10.1.2128.0, < 10.1.2137.3CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_desktop_central:*:*:*:*:managed_service_providers:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
99.87%
Probability of exploitation in next 30 days
EPSS Percentile
100.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Added to KEV · Dec 10, 2021
Nuclei: CVE-2021-44515 · Apr 24, 2022
This CVE's current EPSS score of 0.9987 is in the 100th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
pitstop.manageengine.com / portal/en/community/topic/an-authentication-bypass-vulnerability-identified-and-fixed-in-desktop-central-and-desktop-central-msp
Issue TrackingVendor Advisory
cisa.gov / uscert/ncas/current-activity/2021/12/10/cisa-adds-thirteen-known-exploited-vulnerabilities-catalog
Broken LinkThird Party AdvisoryUS Government Resource
manageengine.com / products/desktop-central/cve-2021-44515-authentication-bypass-filter-configuration.html
ExploitPatchVendor Advisory