Security readout for executives and security teams
Plain-English summary
CVE-2023-51925 is a critical arbitrary file upload issue reported in YonBIP v3_23.05. The CVE states an unauthenticated remote attacker could upload a crafted file and execute arbitrary code. The structured affected-product metadata is incomplete, so organizations should first confirm whether they run this exact YonBIP version or related exposed functionality.
Executive priority
Treat as urgent for any confirmed YonBIP v3_23.05 deployment, especially if reachable from the internet. The main business risk is full application server compromise, but exposure confirmation is required because vendor/product metadata is incomplete.
Technical view
The reported flaw is CWE-434 in nccloud.web.arcp.taskmonitor.action.ArcpUploadAction.doAction(). CVSS 3.1 is 9.8, with network access, low complexity, no privileges, and no user interaction. The source bundle does not provide vendor patch details, exploit reliability, endpoint paths, or complete CPE data.
Likely exposure
Most relevant exposure is internet-facing or partner-accessible YonBIP v3_23.05 deployments. Confidence is limited because the CVE affected-product fields are listed as n/a despite the description naming YonBIP v3_23.05.
Exploitation context
The bundle does not show CISA KEV listing and does not cite confirmed active exploitation. A public GitHub reference exists, but the provided evidence only supports public disclosure, not verified exploitation in the wild.
Researcher notes
Evidence is thin beyond the CVE description and references. Avoid assuming broader Yonyou product impact. Key gaps are official remediation status, precise affected builds, endpoint mapping, and whether the GitHub reference contains reproducible technical detail.
Mitigation direction
- Identify any YonBIP v3_23.05 deployments and ownership.
- Check Yonyou guidance for patches, hotfixes, or workarounds.
- Restrict external access to affected YonBIP systems where feasible.
- Review upload controls and prevent uploaded files from executing.
- Monitor for unexpected files in web-accessible application locations.
- Prioritize backup and recovery checks for exposed instances.
Validation and detection
- Confirm deployed YonBIP versions against asset inventory.
- Determine whether ARCP task monitor upload functionality is enabled.
- Review application logs for suspicious upload activity.
- Inspect web-accessible directories for unexpected executable files.
- Verify any vendor patch or workaround has been applied.
- Document compensating controls for systems awaiting vendor guidance.
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-2023-51925 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
SSVC decision data
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:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.yonyou.com/CVE reference, mitre
- https://github.com/cxcxcxcxcxcxcxc/cxcxcxcxcxcxcxc/blob/main/cxcxcxcxcxc/about/51925.txtCVE reference, mitre
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.