Security readout for executives and security teams
Plain-English summary
This flaw affects the TFTP Server in Distinct Intranet Servers 3.10 and earlier. A remote, unauthenticated attacker could use directory traversal in TFTP get or put operations to read or write arbitrary files. That creates serious confidentiality and integrity risk where the service is reachable.
Executive priority
Treat as urgent if the affected TFTP service is internet-facing or broadly reachable internally. The main business risk is unauthorized file disclosure or file tampering on legacy infrastructure. If no affected deployment exists, track as an inventory hygiene issue.
Technical view
CVE-2012-6664 is a CWE-22 directory traversal issue in TFTP get and put handling. The CVSS 3.1 score is 9.1: network reachable, low complexity, no privileges, no user interaction, high confidentiality and integrity impact, no stated availability impact.
Likely exposure
Exposure is most likely on legacy systems still running Distinct Intranet Servers 3.10 or earlier with TFTP reachable over the network. The bundle's structured affected-product fields are incomplete, so asset confirmation should rely on product inventory and service validation.
Exploitation context
The source bundle includes an Exploit-DB reference and a FortiGuard IPS reference, indicating public exploit knowledge and detection coverage. The CVE is not marked KEV, and the provided sources do not state active exploitation in the wild.
Researcher notes
The core evidence identifies traversal through TFTP get and put commands. The provided structured affected field says n/a, while the description names Distinct Intranet Servers 3.10 and earlier. Patch status is not established in the bundle.
Mitigation direction
- Identify any Distinct Intranet Servers 3.10 or earlier deployments.
- Disable the TFTP Server where it is not operationally required.
- Restrict TFTP access to trusted management networks only.
- Check vendor guidance for supported fixes or replacement options.
- Use relevant IPS detection where available, including FortiGuard coverage.
Validation and detection
- Inventory hosts for Distinct Intranet Servers and enabled TFTP services.
- Confirm whether UDP TFTP exposure is reachable from untrusted networks.
- Review TFTP logs for suspicious traversal patterns in file requests.
- Verify firewall rules limit TFTP to approved sources.
- Confirm IPS signatures are enabled and monitored where applicable.
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-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. 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 lookupFile 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-2012-6664 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
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A: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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N3.95.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.exploit-db.com/exploits/41714CVE reference
- https://www.fortiguard.com/encyclopedia/ips/48021CVE reference
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.
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.