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Fencer Intel
critical 9.8

CVE-2021-20720 json

SQL injection vulnerability in the KonaWiki2 versions prior to 2.2.4 allows remote attackers to execute arbitrary SQL commands and to obtai…

published 5y ago modified 4mo ago also EUVD-2021-8134

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

SQL injection vulnerability in the KonaWiki2 versions prior to 2.2.4 allows remote attackers to execute arbitrary SQL commands and to obtain/alter the information stored in the database via unspecified vectors.

Patch / fix

  • kujirahand konawiki 2.2.4

Is CVE-2021-20720 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

Affected products

  • kujirahand KonaWiki2

Classification

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

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.