LiveActive security incident?Get immediate response
CVE Record

CVE-2018-9110: Studio 42 elFinder before 2.1.37 has a directory traversal vulnerability in elFinder.class.php with the zip...

Studio 42 elFinder before 2.1.37 has a directory traversal vulnerability in elFinder.class.php with the zipdl() function that can allow a remote attacker to download files accessible by the web server process and delete files owned by the account running the web server process. NOTE: this issue exists because of an incomplete fix for CVE-2018-9109.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Older Studio 42 elFinder versions before 2.1.37 can let a remote attacker read files the web server can access and delete files owned by the web server account. This can expose sensitive data and disrupt hosted content. The issue followed an incomplete fix for CVE-2018-9109.

Executive priority

Prioritize remediation if elFinder is internet-facing or used in systems storing sensitive files. The business risk is unauthorized file disclosure and destructive file deletion under web server permissions. If elFinder is absent, exposure is unlikely.

Technical view

CVE-2018-9110 is a directory traversal flaw in elFinder.class.php, specifically the zipdl() function, affecting elFinder before 2.1.37. The reported impact is remote file download within web server process permissions and deletion of files owned by the web server account. No CVSS, CWE, or CPE details are provided.

Likely exposure

Exposure is most likely where elFinder before 2.1.37 is deployed and reachable by remote users. Risk depends on how elFinder is embedded, access-controlled, and what files the web server process can read or own.

Exploitation context

The provided bundle does not show active exploitation, and CISA KEV is false. Public references identify the vulnerability, an advisory, the 2.1.37 release, and the related fix commit, but no verified exploit activity is cited.

Researcher notes

Evidence is concise but specific: product, affected version boundary, vulnerable function, impact, and fix references are provided. Missing data includes CVSS, CWE, CPEs, affected downstream integrations, and exploitation telemetry. Treat downstream bundled elFinder copies as a key validation target.

Mitigation direction

  • Upgrade elFinder to version 2.1.37 or later.
  • Review the Studio 42 advisory for vendor-specific guidance.
  • Restrict remote access to elFinder where business use allows.
  • Limit web server account permissions to required files only.
  • Review potentially exposed or deleted files after upgrade.

Validation and detection

  • Inventory applications and plugins bundling elFinder.
  • Confirm installed elFinder versions are 2.1.37 or later.
  • Check for vendored copies outside package manager inventory.
  • Review web server file permissions for excessive access.
  • Inspect logs for suspicious elFinder zip download activity.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

description · low confidence lookup

File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2018-9110 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.