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CVE Record

CVE-2020-35970: An issue was discovered in YzmCMS 5.8.

An issue was discovered in YzmCMS 5.8. There is a SSRF vulnerability in the background collection management that allows arbitrary file read.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2020-35970 is reported in YzmCMS 5.8. The issue is an SSRF flaw in backend collection management that can allow arbitrary file read. For leaders, the concern is exposure of sensitive files from a CMS host, but public evidence does not provide CVSS, confirmed patch details, or active exploitation.

Executive priority

Prioritize near-term assessment where YzmCMS is internet-facing or stores credentials, customer data, or operational secrets. Urgency is reduced if the backend is isolated and limited to trusted administrators, but arbitrary file read remains a serious data exposure risk.

Technical view

The CVE record describes SSRF in YzmCMS 5.8 background collection management with arbitrary file read impact. The source bundle does not clarify authentication requirements, affected configurations, exploit maturity, or remediating versions. Treat reachable administrative collection functionality as the likely exposure point until vendor guidance confirms scope.

Likely exposure

Organizations are likely exposed only if they run YzmCMS 5.8 and have the backend collection management functionality reachable by users or attackers. The supplied sources do not identify other affected versions or products.

Exploitation context

The CVE is not listed as KEV in the provided bundle. The cited public sources support the vulnerability description, but do not prove active exploitation, exploit availability, or mass scanning.

Researcher notes

The public bundle is sparse: no CVSS vector, CWE, CPE, patch version, or authentication detail is provided. Avoid broad version assumptions beyond YzmCMS 5.8. Further analysis should start with the linked GitHub issue and vendor release history.

Mitigation direction

  • Identify any YzmCMS 5.8 deployments and owners.
  • Check YzmCMS project guidance for a fixed release or workaround.
  • Restrict backend collection management access to trusted administrators.
  • Disable or limit collection management if business operations allow.
  • Review host secrets that could be exposed by local file read.

Validation and detection

  • Confirm deployed YzmCMS version is 5.8 or otherwise vendor-affected.
  • Verify backend collection management is enabled and reachable.
  • Review access controls around the CMS administrative backend.
  • Check logs for unusual collection-management requests or file access patterns.
  • Document findings and remediation status in vulnerability tracking.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

description · low confidence lookup

Cloud metadata behavior lookup

The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
description · low confidence lookup

File 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 lookup
cve · low confidence lookup

CVE-2020-35970 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.