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Fencer Vulns
medium 6.1

CVE-2021-27214 json

A Server-side request forgery (SSRF) vulnerability in the ProductConfig servlet in Zoho ManageEngine ADSelfService Plus through 6013 allows…

published 2021-02-19 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-13979

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

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 HTTP request, a different vulnerability than CVE-2019-3905.

Exploit prediction

2.04% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • horizonsecurity.it https://www.horizonsecurity.it/lang_EN/advisories/?a=20&title=ManageEngine+ADSelfService+Plus+privilege+escalation++CVE202127214 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
  • CWE-918 Server-Side Request Forgery

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.