Security readout for executives and security teams
Plain-English summary
This CVE describes a NordVPN client crash triggered through the password field in Nord VPN 6.14.31. The reported impact is denial of service to the application, not data theft or code execution. Business urgency depends on whether this specific client version is deployed and whether crashes could disrupt VPN access for users.
Executive priority
Treat this as a targeted availability risk, not a breach indicator. Act quickly if Nord VPN 6.14.31 is present in business environments, because public exploit information exists and VPN disruption can affect remote work continuity.
Technical view
The source bundle describes CWE-789-style uncontrolled memory allocation or resource exhaustion from oversized password input during authentication. Sources identify Nord VPN 6.14.31, but affected-version metadata is limited and inconsistent. The record includes an ExploitDB reference, but the bundle does not support active exploitation or vendor-confirmed remediation details.
Likely exposure
Likely exposure is limited to systems running the affected NordVPN client version identified by the sources, especially Nord VPN 6.14.31. The provided affected-version data is incomplete, so teams should confirm installed client versions rather than infer broader exposure.
Exploitation context
A public ExploitDB reference exists, so proof-of-concept information is public. The CVE is not marked KEV in the bundle, and no provided source states active exploitation. The described outcome is application crash and VPN availability loss.
Researcher notes
The record’s CVSS vector is high, but the description centers on crashing the client through password-field handling. The source bundle does not establish active exploitation, patch availability, or a reliable affected-version range beyond Nord VPN 6.14.31.
Mitigation direction
- Inventory NordVPN client versions across managed endpoints.
- Prioritize removing or upgrading Nord VPN 6.14.31 where found.
- Check NordVPN vendor guidance for fixed versions or supported mitigations.
- Restrict use of unsupported or legacy VPN client builds.
- Monitor endpoint crash telemetry for repeated NordVPN authentication failures.
Validation and detection
- Confirm whether Nord VPN 6.14.31 is installed on endpoints.
- Review software inventory for unmanaged or user-installed NordVPN clients.
- Check EDR and operating-system crash logs for NordVPN application failures.
- Verify remediation by confirming the installed client version changed.
- Track vendor and CVE updates for corrected affected-version details.
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-789: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-25368 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:H/VI:N/VA:N/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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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:H/VI:N/VA:N/SC:N/SI:N/SA:N——VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6VulnCheckVulnerability scoring details
Base CVSS 4.0 score
8.7HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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
- ExploitDB-45304CVE reference, VulnCheck · exploit
- Product ReferenceCVE reference, VulnCheck · product
- VulnCheck Advisory: Nord VPN 6.14.31 Denial of Service via Password FieldCVE reference, VulnCheck · 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.
Memory Allocation with Excessive Size Value
Memory Allocation with Excessive Size Value represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.