Security readout for executives and security teams
Plain-English summary
freeFTPd 1.0.10 and earlier can mishandle an FTP password value and corrupt memory. If anonymous access is enabled, an unauthenticated network attacker may crash the service or potentially run code. Treat exposed legacy freeFTPd as urgent, but the bundle does not prove active exploitation.
Executive priority
High priority for any exposed freeFTPd service. The business risk is disproportionate because exploitation may require only network reachability and anonymous access. Focus on finding legacy deployments, disabling anonymous access, and removing or isolating the service.
Technical view
This is a CWE-121 stack-based buffer overflow in freeFTPd PASS command handling. The described impact is denial of service or arbitrary code execution over the network with no privileges or user interaction, but only when anonymous user access is enabled. CVSS v4 is 9.3 critical.
Likely exposure
Exposure appears limited to freeFTPd 1.0.10 and earlier deployments with anonymous FTP enabled. Internet-facing FTP services are the highest concern. The provided affected metadata is sparse and inconsistent, so confirm product and version directly in asset records.
Exploitation context
The source bundle lists public exploit references, including Metasploit and Exploit-DB entries. CISA KEV is false, and no cited source in the bundle states active exploitation. Do not treat this as confirmed in-the-wild exploitation from the provided evidence.
Researcher notes
Primary uncertainty is affected-version metadata: the description says 1.0.10 and earlier, while the affected block is sparse. Public exploit references support exploitability research, but this analysis does not rely on exploit internals. Validate exposure through asset inventory, version evidence, and anonymous account state.
Mitigation direction
- Identify and retire any freeFTPd 1.0.10 or earlier deployments.
- Disable anonymous FTP access wherever freeFTPd remains in use.
- Restrict FTP access to trusted networks or VPN-only paths.
- Check vendor or project guidance for fixed versions or replacement options.
- Prioritize migration from unsupported or legacy FTP services.
Validation and detection
- Inventory FTP endpoints and confirm whether freeFTPd is present.
- Verify freeFTPd version and anonymous account configuration.
- Review FTP logs for unusual authentication failures or service crashes.
- Confirm perimeter controls block untrusted FTP access.
- Document any exception with owner, exposure, and retirement date.
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-121: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program 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-2013-10042 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
- 9.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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.
SSVC decision data
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:H/VI:H/VA:H/SC:N/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
9.3CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA: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
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/ftp/freeftpd_pass.rbCVE reference, VulnCheck · exploit
- https://www.exploit-db.com/exploits/27747CVE reference, VulnCheck · exploit
- https://www.vulncheck.com/advisories/freeftpd-pass-command-stack-based-buffer-overflowCVE 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.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.