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Fencer Vulns
critical 9.8

CVE-2020-18667 json

SQL Injection vulnerability in WebPort <=1.19.1 via the new connection, parameter name in type-conn.

published 2021-06-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-10591

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

SQL Injection vulnerability in WebPort <=1.19.1 via the new connection, parameter name in type-conn.

Exploit prediction

1.36% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/LoRexxar/CVE_Request/blob/master/web%20port%20mul%20vuls%20before%20v1.19.1/web%20port%20mul%20vuls%20before%20v1.19.1.md#post-stored-xss-and-sql-injection-in--logtypeerror referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command

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.