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CVE-2021-42002

33
FAUCET Score

CVE-2021-42002 is a critical filter bypass vulnerability in Zoho ManageEngine ADManager Plus versions prior to 7115, allowing for unauthenticated remote code execution via file upload. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network without user interaction, leading to complete compromise of confidentiality, integrity, and availability. While no public exploits or active exploitation have been observed, and community discussion is minimal, its high severity and ease of exploitation warrant immediate patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.1CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_admanager_plus:*:*:*:*:*:*:*:*
7.1CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:-:*:*:*:*:*:*
7.1CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7100:*:*:*:*:*:*
7.1CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7101:*:*:*:*:*:*
7.1CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_admanager_plus:7.1:7102:*:*:*:*:*:*

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
7.24%
Probability of exploitation in next 30 days
EPSS Percentile
93.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0724 is in the 89th percentile among its peer group of 36,897 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

No media coverage found for this CVE.

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

manageengine.com / products/ad-manager/release-notes.html
Vendor Advisory