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Fencer Intel
high 8.8

CVE-2021-37394 json

In RPCMS v1.8 and below, attackers can interact with API and change variable "role" to "admin" to achieve admin user registration.

published 5y ago modified 4mo ago also EUVD-2021-23963

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

In RPCMS v1.8 and below, attackers can interact with API and change variable "role" to "admin" to achieve admin user registration.

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Exploit prediction

1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • gist.github.com https://gist.github.com/victomteng1997/bfa1e0e07dd22f7e0b13256eda79626f referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P

References

Sources

Fencer Intel 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.