Zoho ManageEngine ADSelfService Plus through 6101 is vulnerable to unauthenticated Remote Code Execution while changing the password.
Conclusion & alert: CVE-2021-28958 is rated High Risk (68.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 48.94%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-16 | 55.32% | 48.94% | -6.38% |
| 2 | 2026-03-25 | 57.46% | 55.32% | -2.14% |
| 3 | 2025-12-09 | — | 57.46% | — |
Full EPSS history (24 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4510:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4511:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4520:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4522:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4531:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4540:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4543:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4544:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4550:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4560:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4570:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4571:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4572:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4580:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4590:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4591:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 4.5 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4592:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5000:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5001:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5002:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5010:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5011:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5020:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5021:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5022:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5030:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5032:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5040:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5041:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.0.6 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0.6:*:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5100:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5101:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5102:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5103:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5104:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5105:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5106:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5107:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5108:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5109:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5110:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5111:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5112:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5113:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5114:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5115:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.1 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5116:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.2 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.2:5200:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.2 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.2:5201:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.2 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.2:5202:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.2 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.2:5203:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.2 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.2:5204:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.2 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.2:5205:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.2 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.2:5206:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.2 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.2:5207:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5300:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5301:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5302:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5303:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5304:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5305:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5306:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5307:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5308:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5309:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5310:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5311:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5312:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5313:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5314:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5315:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5316:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5317:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5318:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5319:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5320:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5321:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5322:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5323:*:*:*:*:*:* |
| zohocorp | manageengine_adselfservice_plus | 5.3 | cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.3:5324:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://blog.stmcyber.com/vulns/cve-2021-28958/ | Third Party Advisory |
| https://pitstop.manageengine.com/portal/en/community/topic/adselfservice-plus-6102-released-with-an-important-security-fix-21-3-2021 | Vendor Advisory |
| https://www.manageengine.com | Vendor Advisory |
| https://www.manageengine.com/products/self-service-password/release-notes.html#6102 | Release Notes Vendor Advisory |