Security readout for executives and security teams
Plain-English summary
SueamCMS v0.1.2 is reported to allow unrestricted file uploads that can lead to remote code execution. A successful attacker could take over the application and affect confidentiality, integrity, and availability. The record is critical, but public metadata is sparse.
Executive priority
Treat as urgent if SueamCMS v0.1.2 is present or internet-facing. Prioritize containment and vendor validation because the reported impact is full application compromise and no official fix is identified in the provided sources.
Technical view
CVE-2025-55835 is classified as CWE-434, unrestricted upload of dangerous files. The CVSS 3.1 score is 9.8 with unauthenticated network access, low complexity, no user interaction, and high CIA impact. The source names SueamCMS v0.1.2, but structured vendor, CPE, and fixed-version data are absent.
Likely exposure
Exposure is likely limited to organizations running SueamCMS v0.1.2, especially where upload functionality is reachable from untrusted networks. The CVE record does not provide CPEs, so asset confirmation may require application inventory and code or deployment review.
Exploitation context
The bundle does not show CISA KEV listing or confirmed active exploitation. It does indicate a public GitHub reference and a critical unauthenticated RCE-style impact. Do not assume exploitation in the wild without additional evidence.
Researcher notes
The main gap is source completeness: vendor and CPE fields are n/a, and the bundle names no patched release. Use the CVE, CVSS vector, CWE-434 classification, and GitHub reference for triage, but avoid overstating exploitation or affected scope.
Mitigation direction
- Check upstream SueamCMS or maintainer guidance for an official fix.
- Remove public access to SueamCMS upload functions where possible.
- Restrict upload access to trusted authenticated users only.
- Enforce server-side file type, extension, and content validation.
- Block execution from upload storage locations.
- Monitor for unexpected uploaded executable files or web shells.
Validation and detection
- Inventory whether SueamCMS v0.1.2 is deployed.
- Confirm whether upload endpoints are reachable from the internet.
- Review application configuration for upload filtering and storage paths.
- Check web logs for suspicious upload activity.
- Verify whether the deployment blocks execution in upload directories.
- Track the CVE record for updated affected-version or fix data.
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-2025-55835 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://github.com/Utainlab/Vulns/blob/main/CVE-2025-55835.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.