CVE-2021-27214
Published: 19 February 2021
Summary
CVE-2021-27214 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Zohocorp Manageengine Adselfservice Plus. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 8.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-13979
Vulnerability details
A Server-side request forgery (SSRF) vulnerability in the ProductConfig servlet in Zoho ManageEngine ADSelfService Plus through 6013 allows a remote unauthenticated attacker to perform blind HTTP requests or perform a Cross-site scripting (XSS) attack against the administrative interface via an…
more
HTTP request, a different vulnerability than CVE-2019-3905.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.
Detects server-side request forgery through monitoring of unexpected outbound connections.