CVE-2021-28958
CVE-2021-28958 is a critical-severity vulnerability in Zohocorp Manageengine Adselfservice Plus with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 73% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 73% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Zohocorp Manageengine Adselfservice Plus
- Published:
- Last modified:
Description
Zoho ManageEngine ADSelfService Plus through 6101 is vulnerable to unauthenticated Remote Code Execution while changing the password.
Frequently asked questions
- What is CVE-2021-28958?
- Zoho ManageEngine ADSelfService Plus through 6101 is vulnerable to unauthenticated Remote Code Execution while changing the password.
- How severe is CVE-2021-28958?
- CVE-2021-28958 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-28958 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 73% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-28958?
- CVE-2021-28958 primarily affects Zohocorp Manageengine Adselfservice Plus. In total, 164 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-28958?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-28958 published?
- CVE-2021-28958 was published on 2021-06-25 and last updated on 2026-06-17.
References
- https://blog.stmcyber.com/vulns/cve-2021-28958/
- https://pitstop.manageengine.com/portal/en/community/topic/adselfservice-plus-6102-released-with-an-important-security-fix-21-3-2021
- https://www.manageengine.com
- https://www.manageengine.com/products/self-service-password/release-notes.html#6102
Affected products (164)
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4510:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4511:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4520:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4522:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4531:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4540:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4543:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4544:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4550:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4560:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4570:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4571:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4572:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4580:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4590:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4591:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:4.5:4592:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5000:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5001:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5002:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5010:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5011:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5020:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5021:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5022:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5030:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5032:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5040:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0:5041:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5100:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5101:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5102:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5103:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5104:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5105:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5106:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5107:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5108:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_adselfservice_plus:5.1:5109:*:*:*:*:*:*
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