Security readout for executives and security teams
Core FTP 2.0 build 653 can be crashed remotely by an unauthenticated network request to the FTP service. The main business impact is service outage for systems relying on this FTP server. Public exploit information exists, but the provided sources do not show confirmed active exploitation. Exposure is most relevant where Core FTP 2.0 build 653 is running and reachable over a network, especially from the internet or untrusted segments. The source bundle does not identify other affected builds or products. Treat this as a high-priority availability risk for any exposed Core FTP 2.0 build 653 server. Prioritize internet-facing or business-critical file transfer systems first. Urgency is reduced where the service is isolated and tightly access-controlled. Mitigation focus: Identify any Core FTP 2.0 build 653 deployments.; Restrict FTP service access to trusted networks only.; Remove internet exposure where business requirements allow..
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
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ATT&CK lookup starting points
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CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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 lookupCVE-2019-25686 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.7 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
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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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.7HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-46532CVE reference · exploit
- VulnCheck Advisory: Core FTP 2.0 build 653 PBSZ Unauthenticated Denial of ServiceCVE reference · third-party-advisory
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.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.