Security readout for executives and security teams
Plain-English summary
CVE-2020-25359 is an arbitrary file deletion issue in rConfig 3.9.5, fixed in 3.9.6. An attacker could cause files with a chosen extension under a chosen path to be deleted. Business impact depends on where rConfig is exposed and what files its web process can remove.
Executive priority
Prioritize remediation for any internet-facing or broadly reachable rConfig 3.9.5 instance. For isolated administrative deployments, treat as a scheduled upgrade with access-control review because file deletion can affect availability and integrity.
Technical view
The CVE describes crafted requests to rConfig's logging-file deletion handler using attacker-controlled path and extension parameters. This can delete all matching-extension files in the supplied path. The source bundle does not provide CVSS, authentication requirements, or full affected-version metadata beyond rConfig 3.9.5 fixed in 3.9.6.
Likely exposure
Exposure is most likely where rConfig 3.9.5 is deployed and reachable by users or networks that should not manage it. Internet exposure would raise urgency, but the provided sources do not confirm default exposure or authentication requirements.
Exploitation context
The CVE source states attackers can send a crafted request to trigger deletion. CISA KEV status is false, and the provided bundle does not cite active exploitation in the wild.
Researcher notes
Evidence is limited: no CVSS vector, no CWE in the CVE record, and no structured affected CPEs are provided. The title and description identify rConfig 3.9.5 and state the issue was fixed for 3.9.6.
Mitigation direction
- Upgrade rConfig 3.9.5 deployments to 3.9.6 or later.
- Restrict rConfig access to trusted administrative networks.
- Check vendor guidance for any additional hardening or cleanup steps.
- Ensure backups exist for rConfig and managed configuration data.
Validation and detection
- Inventory rConfig instances and confirm deployed versions.
- Identify any rConfig 3.9.5 systems reachable from untrusted networks.
- Review application and web logs for suspicious logging-file deletion requests.
- Verify filesystem permissions limit what the web process can delete.
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.
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 lookupCVE-2020-25359 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://cwe.mitre.org/data/definitions/36.htmlCVE reference · x_refsource_MISC
- https://stark0de.com/2020/08/27/pwning-rconfig-part-one.htmlCVE reference · x_refsource_MISC
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.