Security readout for executives and security teams
Plain-English summary
CVE-2016-15019 is an information exposure issue in tombh jekbox. The reported weakness can expose information through directory listing in lib/server.rb. It is remotely reachable but requires low privileges, and the known impact is limited to confidentiality. A patch commit is identified, but affected versions are not clearly specified.
Executive priority
Treat this as a moderate, targeted exposure issue. It is not a broad critical emergency, but affected jekbox deployments should be found and patched because directory listings can reveal files useful for further compromise.
Technical view
The source bundle maps this issue to CWE-548 and CVSS 3.1 score 4.3: AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N. The vulnerable component is tombh jekbox lib/server.rb. Public data names patch commit 64eb2677671018fc08b96718b81e3dbc83693190. Version scope is listed as n/a, so exposure must be confirmed by deployment inventory and revision checks.
Likely exposure
Exposure is likely limited to organizations running tombh jekbox, especially source-based or older deployments. The bundle does not identify affected versions or CPEs, so automated asset matching may miss it. The issue is network reachable but requires low privileges according to CVSS.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. The vulnerability could allow a low-privileged remote user to view unintended directory listings, creating risk if sensitive files are present under the exposed path.
Researcher notes
Evidence is sparse: the sources identify the product, file, CWE, CVSS vector, and patch commit, but not affected version ranges or detailed exploit conditions. Do not assume unauthenticated exploitation; the provided CVSS vector requires low privileges.
Mitigation direction
- Apply the project patch commit 64eb2677671018fc08b96718b81e3dbc83693190.
- Confirm deployed lib/server.rb contains the patched behavior.
- Check vendor or project guidance for release and backport instructions.
- Prioritize review of internet-accessible jekbox deployments first.
Validation and detection
- Inventory systems for tombh jekbox before relying on version matching.
- Check deployed source revision against the referenced GitHub patch commit.
- Perform authorized testing to confirm directory contents are not exposed.
- Review available access logs for suspicious directory-listing activity.
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-548: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCVE-2016-15019 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
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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:L/I:N/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://vuldb.com/?id.218375CVE reference · vdb-entry, technical-description
- https://vuldb.com/?ctiid.218375CVE reference · signature, permissions-required
- https://github.com/tombh/jekbox/commit/64eb2677671018fc08b96718b81e3dbc83693190CVE reference · patch
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.
Exposure of Information Through Directory Listing
Exposure of Information Through Directory Listing represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.