Security readout for executives and security teams
Plain-English summary
CVE-2018-25193 is a denial-of-service issue in Cesanta Mongoose Web Server 6.9. A remote, unauthenticated attacker can make the service unavailable by consuming resources through repeated socket connections with malformed data. This affects availability, not data confidentiality or integrity, based on the provided record.
Executive priority
Treat as a high-priority availability risk for exposed systems using Mongoose Web Server 6.9. Prioritize internet-facing or business-critical services, but do not assume data theft or active exploitation from the provided evidence.
Technical view
The vulnerability affects Mongoose Web Server 6.9 and is scored CVSS 4.0 8.7. The vector indicates network access, low complexity, no privileges, and no user interaction, with high impact to vulnerable-system availability. The provided references include a public ExploitDB entry and VulnCheck advisory.
Likely exposure
Exposure is most relevant where Mongoose Web Server 6.9 is reachable over a network, especially internet-facing embedded, appliance, or application deployments. The source bundle does not identify other affected versions or products.
Exploitation context
A public exploit reference exists, but the source bundle does not show CISA KEV listing or evidence of active exploitation. Attack impact is service disruption rather than code execution, according to the provided description.
Researcher notes
The record is specific to Mongoose Web Server 6.9. Public exploit material is referenced, but sources do not name a patch, fixed version, or active exploitation. Avoid broad version assumptions without independent vendor confirmation.
Mitigation direction
- Inventory systems using Cesanta Mongoose Web Server and identify any version 6.9 deployments.
- Check Cesanta or Mongoose vendor guidance for fixed or supported versions.
- Restrict network access to Mongoose services where business use allows.
- Apply rate limiting or connection controls in front of exposed services.
- Monitor for abnormal connection volume and service crashes.
Validation and detection
- Confirm whether Mongoose Web Server 6.9 is present in software bills of materials or binaries.
- Review exposed services and ports for Mongoose-based web interfaces.
- Check logs for repeated connection attempts followed by service instability.
- Validate compensating controls such as access restrictions and connection limits.
- Track vendor advisories for remediation confirmation.
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
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Open ATT&CK lookupCVE-2018-25193 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
- 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
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 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-45819CVE reference · exploit
- VulnCheck Advisory: Mongoose Web Server 6.9 Denial of Service via Socket ConnectionCVE 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.
Initialization of a Resource with an Insecure Default
Initialization of a Resource with an Insecure Default represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.