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Fencer Vulns
high 8.1

CVE-2021-39165 json

Unauthenticated SQL Injection

published 2021-08-26 5 y ago modified 2026-07-08 4 mo ago also GHSA-79mg-4w23-4fqc , EUVD-2021-1615

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
8.2%
EPSS 8.2% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known, plus a Nuclei check

Summary

Cachet is an open source status page. With Cachet prior to and including 2.3.18, there is a SQL injection which is in the `SearchableTrait#scopeSearch()`. Attackers without authentication can utilize this vulnerability to exfiltrate sensitive data from the database such as administrator's password and session. The original repository of Cachet <https://github.com/CachetHQ/Cachet> is not active, the stable version 2.3.18 and it's developing 2.4 branch is affected.

Patch / fix

  • chachethq cachet 2.3.18

Exploit prediction

8.17% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N
GitHub 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
packagist cachethq/cachet
<=2.3.18
 no fix listed

Affected products

  • fiveai Cachet

Classification

Weakness
  • CWE-287 Improper Authentication
  • 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.