Security readout for executives and security teams
Plain-English summary
This flaw affects WWBN AVideo at dev master commit 15fed957fb. An authenticated attacker could upload a PHP file through import.json.php temporary copy handling. By itself the CVSS impact is limited, but Talos says it can enable arbitrary code execution when combined with a local file inclusion flaw.
Executive priority
Prioritize if AVideo is internet-facing, supports untrusted authenticated users, or has unresolved LFI exposure. Otherwise track as a moderate-risk remediation item because the affected scope is narrow and active exploitation is not evidenced in the provided sources.
Technical view
CVE-2023-49715 is CWE-434 unrestricted upload in AVideo import.json.php temporary copy functionality. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N, score 4.3. Reported code execution requires chaining with an LFI vulnerability; the provided sources do not name a fixed version.
Likely exposure
Exposure appears limited to deployments running WWBN AVideo dev master commit 15fed957fb or matching code. Risk is higher where authenticated low-privilege users can reach import functionality and where another LFI weakness exists in the same environment.
Exploitation context
The source bundle does not show CISA KEV listing or cited active exploitation. Talos describes attacker-controlled HTTP requests and arbitrary code execution only when chained with LFI. Treat exploitation evidence as plausible but not confirmed in the wild.
Researcher notes
The critical detail is the chain dependency: unrestricted PHP upload can become code execution when LFI is also available. Sources identify only one dev master commit as affected and do not provide exploit status, public weaponization, or a named fixed version.
Mitigation direction
- Identify whether any AVideo deployment matches dev master commit 15fed957fb.
- Check WWBN AVideo and Talos guidance for a fixed release or commit.
- Avoid running affected development commits in production environments.
- Restrict authenticated access to import functionality until remediated.
- Review web controls around PHP uploads and temporary file handling.
Validation and detection
- Inventory AVideo deployments and compare code version to commit 15fed957fb.
- Confirm whether import.json.php exists and is reachable by low-privilege users.
- Review application logs for unusual authenticated import or temporary upload activity.
- Check whether any LFI vulnerability is present in the same deployment.
- Document compensating controls and remaining exposure if no vendor fix is confirmed.
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-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupFile 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 lookupCVE-2023-49715 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:N/I:L/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:N/I:L/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:N/I:L/A:N
Source materials
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.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.