Security readout for executives and security teams
Plain-English summary
Cachet status page installations up to 2.3.18 can expose database contents through a SQL injection in search logic. The sources say unauthenticated attackers may steal sensitive data, including administrator passwords and sessions. Treat exposed Cachet sites as high-priority because status pages are commonly internet-facing.
Executive priority
Prioritize remediation for public Cachet instances because successful exploitation could expose administrative credentials and session data from the status page database. Absence from KEV lowers certainty about active exploitation, not impact.
Technical view
The issue is a SQL injection in SearchableTrait#scopeSearch() affecting Cachet <=2.3.18 and the 2.4 development branch. The CVE lists CWE-89 and CWE-287 with CVSS 8.1. The provided description says unauthenticated access is possible, while the vector shows PR:L; validate exposure against the advisory.
Likely exposure
Organizations running Cachet status pages, especially public internet-facing instances, are the likely exposure group. The bundle identifies fiveai Cachet <=2.3.18 as affected and notes the original CachetHQ repository is inactive.
Exploitation context
The source bundle does not show CISA KEV listing or cited active exploitation. Public advisory language indicates attackers can exfiltrate database data, including administrator password and session information, but no exploit status is established here.
Researcher notes
Evidence is strong for affected component, version range, and impact, but incomplete on active exploitation and final maintained release availability. Note the inconsistency between unauthenticated description and CVSS PR:L when scoring local exposure.
Mitigation direction
- Inventory all Cachet deployments and identify versions <=2.3.18.
- Review the fiveai advisory and referenced commit for the authoritative fix path.
- Apply a maintained patched version or the referenced fix where appropriate.
- Restrict public access to affected Cachet instances until remediated.
- Rotate administrator credentials and sessions if exposure is suspected.
Validation and detection
- Confirm whether any Cachet instance is internet-facing.
- Verify installed Cachet version and fork lineage against affected versions.
- Check whether SearchableTrait#scopeSearch() includes the referenced fix.
- Review application and database logs for unusual search-related access.
- Confirm credential and session rotation after suspected database exposure.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-39165 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N2.85.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/fiveai/Cachet/security/advisories/GHSA-79mg-4w23-4fqcCVE reference · x_refsource_CONFIRM
- https://github.com/fiveai/Cachet/commit/27bca8280419966ba80c6fa283d985ddffa84bb6CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.