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CVE-2022-28987

34
FAUCET Score

CVE-2022-28987 describes a username enumeration vulnerability in Zoho ManageEngine ADSelfService Plus versions prior to 6202. An unauthenticated attacker can exploit this by sending a crafted POST request to the /ServletAPI/accounts/login endpoint, potentially revealing valid usernames. This medium-severity vulnerability (CVSS 5.3) has a low impact on confidentiality and requires no user interaction, but does not affect integrity or availability. While there is no evidence of active exploitation or Metasploit modules, a Nuclei template exists, and the CVE has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
6.1CPE matchmatch criteria
cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:6.1:6121:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
9.91%
Probability of exploitation in next 30 days
EPSS Percentile
95.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2022-28987 · Jan 29, 2026
This CVE's current EPSS score of 0.0991 is in the 94th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

github.com / passtheticket/vulnerability-research/blob/main/manage-engine-apps/adselfservice-userenum.md
ExploitThird Party Advisory
github.com / passtheticket/vulnerability-research/blob/main/manage-engine-apps/adselfservice-userenum.py
ExploitThird Party Advisory
manageengine.com / products/self-service-password/advisory/CVE-2022-28987.html