Security readout for executives and security teams
Plain-English summary
CVE-2023-49864 lets an authenticated user cause WWBN AVideo to read files through its image upload flow. The issue affects the dev master commit 15fed957fb. The main business risk is exposure of sensitive server-side files, not system takeover.
Executive priority
Treat this as a moderate confidentiality issue. Escalate priority if AVideo is internet-facing, has many low-privilege users, or runs near sensitive files and secrets. No active exploitation is documented in the provided sources.
Technical view
The flaw is in aVideoEncoderReceiveImage.json.php and is triggered through the downloadURL_image parameter. Sources describe CWE-73 external control of a file name or path, enabling arbitrary file read via a crafted HTTP request. CVSS 3.1 is 6.5: network reachable, low complexity, low privileges, high confidentiality impact.
Likely exposure
Exposure is likely limited to organizations running WWBN AVideo dev master commit 15fed957fb or derived code, especially where authenticated users can reach the affected image upload function.
Exploitation context
The source bundle does not show CISA KEV listing or public evidence of active exploitation. Talos reports that a crafted HTTP request can lead to arbitrary file read, but the available sources do not prove in-the-wild abuse.
Researcher notes
Evidence identifies one affected target: WWBN AVideo dev master commit 15fed957fb. The sources do not name a patch, fixed version, or exploit-in-the-wild status. Avoid assuming broader version impact without vendor confirmation.
Mitigation direction
- Confirm whether production uses the affected AVideo dev master commit.
- Check WWBN AVideo upstream and Talos guidance for a fixed release or commit.
- Restrict encoder and image-upload access to trusted users and networks.
- Review user roles allowed to access the affected upload functionality.
- Monitor for unusual requests involving the downloadURL_image parameter.
Validation and detection
- Inventory AVideo deployments and record exact commit or release versions.
- Check whether aVideoEncoderReceiveImage.json.php is present and reachable.
- Confirm only trusted authenticated users can access the upload workflow.
- Review web logs for suspicious downloadURL_image parameter usage.
- Verify any vendor-provided fix is deployed in non-production first.
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-73: 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 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-2023-49864 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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:H/I:N/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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.