Security readout for executives and security teams
Plain-English summary
CVE-2023-51928 is described as a critical arbitrary file upload flaw in YonBIP v3_23.05. A remote attacker could upload a crafted file and potentially execute code on the server. The public record is sparse, and the structured affected-product fields are not populated.
Executive priority
Treat as urgent for any confirmed YonBIP v3_23.05 deployment. The worst-case impact is remote server compromise, but confidence is reduced by incomplete public affected-product and remediation details.
Technical view
The CVE describes CWE-434 in nccloud.web.arcp.taskmonitor.action.ArcpUploadAction.doAction(). The CVSS 3.1 score is 9.8, with network access, low complexity, no privileges, and no user interaction required. Impact is rated high for confidentiality, integrity, and availability.
Likely exposure
Likely exposure is limited to organizations running YonBIP v3_23.05, especially if the affected nccloud upload functionality is reachable from untrusted networks. The CVE record lists affected vendor and product fields as n/a, so asset confirmation is essential.
Exploitation context
The source bundle does not show CISA KEV listing, and no cited source confirms active exploitation. The GitHub reference may contain vulnerability details, but the provided bundle does not establish real-world exploitation or a vendor patch.
Researcher notes
The CVE record names a specific Java action method and class path, but structured CPE data is absent. Avoid assuming broader Yonyou products are affected. Current evidence supports high theoretical severity, not confirmed exploitation.
Mitigation direction
- Check Yonyou guidance for a fixed version or official workaround.
- Identify and prioritize any YonBIP v3_23.05 deployments.
- Restrict untrusted network access to affected upload functionality.
- Review file upload controls and block executable uploads where possible.
- Monitor for unexpected files and suspicious application-server activity.
Validation and detection
- Confirm whether YonBIP v3_23.05 is deployed in your environment.
- Verify whether nccloud ArcpUploadAction functionality is exposed externally.
- Review web and application logs for suspicious upload activity.
- Check file storage paths for unexpected server-executable content.
- Track CVE and vendor pages for updated remediation details.
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-2023-51928 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/51928.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.