Security readout for executives and security teams
Plain-English summary
This flaw could let a logged-in attacker read files from a vulnerable AVideo server through an image upload-related endpoint. The business risk is exposure of sensitive local files, such as configuration or credentials, if the affected development commit or derived code is deployed.
Executive priority
Treat as a moderate confidentiality risk. Prioritize environments where AVideo is internet-reachable or stores credentials, secrets, customer media, or internal configuration on the same server.
Technical view
CVE-2023-49863 affects WWBN AVideo dev master commit 15fed957fb in aVideoEncoderReceiveImage.json.php. The downloadURL_webpimage parameter can be controlled in a crafted HTTP request, leading to arbitrary file read. CVSS 3.1 is 6.5, with network access, low complexity, low privileges, no user interaction, and high confidentiality impact.
Likely exposure
Exposure appears limited to WWBN AVideo deployments running dev master commit 15fed957fb or code derived from it, especially where the affected upload/encoder endpoint is reachable by authenticated users over the network.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires low privileges, not anonymous access, based on the CVSS vector. The issue is confidentiality-focused; integrity and availability impacts are not identified in the source bundle.
Researcher notes
The source bundle names CWE-73 and a single affected dev commit. No patch, fixed version, proof of active exploitation, or broader affected-version range is provided here. Avoid expanding scope beyond WWBN AVideo dev master commit 15fed957fb without vendor confirmation.
Mitigation direction
- Check WWBN AVideo vendor guidance for a fixed release or commit.
- Avoid deploying the affected development commit in production.
- Restrict access to encoder and upload endpoints to trusted authenticated users.
- Limit internet exposure of AVideo administrative or encoder functions.
- Review logs for suspicious downloadURL_webpimage requests.
Validation and detection
- Inventory AVideo deployments and confirm exact version or commit.
- Check whether aVideoEncoderReceiveImage.json.php is reachable from untrusted networks.
- Confirm the affected endpoint requires authentication and least privilege.
- Review access logs for unusual requests referencing downloadURL_webpimage.
- Verify remediation against vendor or Talos guidance when available.
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-2023-49863 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.
External Control of File Name or Path
External Control of File Name or Path represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.