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CVE-2021-39165

37
FAUCET Score

CVE-2021-39165 describes an unauthenticated SQL injection vulnerability in Cachet, an open-source status page, affecting versions up to and including 2.3.18. This flaw allows attackers to exfiltrate sensitive database information, such as administrator passwords and session data, due to a weakness in the SearchableTrait#scopeSearch() function. Rated 6.5 MEDIUM on CVSS, the vulnerability has a low attack complexity and high confidentiality impact, with an EPSS score indicating a high likelihood of exploitation. While there is no evidence of active exploitation or Metasploit modules, Nuclei templates exist, and despite its high FAUCET Risk Score, there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.3.18CPE matchmatch criteria
cpe:2.3:a:chachethq:cachet:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
9.75%
Probability of exploitation in next 30 days
EPSS Percentile
95.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-39165 · Oct 6, 2022
This CVE's current EPSS score of 0.0975 is in the 99th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-79mg-4w23-4fqchigh

Unauthenticated SQL Injection in Cachet

Aug 30, 2021

References

github.com / fiveai/Cachet/commit/27bca8280419966ba80c6fa283d985ddffa84bb6
PatchThird Party Advisory
github.com / fiveai/Cachet/security/advisories/GHSA-79mg-4w23-4fqc
Third Party Advisory