CVE-2020-37068: Konica Minolta FTP Utility LIST Command Buffer Overflow
CVE-2020-37068 is a classic buffer overflow (CWE-120) in the LIST command of Konica Minolta FTP Utility 1.0, according to the VulnCheck record. The record states that the flaw can overwrite system registers, crash the FTP server and potentially allow unauthorized code execution. The CVSS 3.1 base score is 9.8 (critical), and no confirmed exploitation appears in the sources consulted.
Overview
CVE-2020-37068 affects the LIST command of Konica Minolta FTP Utility version 1.0. The weakness is classified as CWE-120 (Classic Buffer Overflow). The record describes a buffer overflow in which oversized input from the client can overwrite system registers and crash the FTP server.
Impact
The record describes two possible outcomes: denial of service through a crash of the FTP server, and potential execution of unauthorized code. The VulnCheck CVSS 3.1 vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, which indicates network attack vector, low complexity, no privileges and no user interaction required, with high confidentiality, integrity and availability impact. The CVSS 4.0 base score listed by the same provider is 8.7.
Affected products and versions
- Product as listed in the record: Konicaminolta Ftp Utility
- Version listed in the record: version 1.0
- Fixed versions: none listed in the record; this does not confirm that no fix exists.
The vendor product page is referenced at konicaminolta.us.
Exploitation status
The CISA KEV catalog entry for this CVE is not listed in the record, so no confirmed exploitation in the wild can be attributed to it based on the data provided. The references include an Exploit-DB entry (Exploit-DB 48501), which indicates that public exploit material has been catalogued. This does not by itself confirm active attacks.
Remediation and mitigation
- Identify any systems running Konica Minolta FTP Utility 1.0 and treat them as high priority given the critical CVSS rating.
- Check the vendor and the VulnCheck advisory for an updated or replacement version, since the record does not list a fixed version.
- Restrict access to the FTP service to trusted networks and users, and remove it from internet exposure where it is not required.
- Where possible, replace unsupported FTP software with services that offer encryption and current maintenance.
Detection guidance
- Monitor for repeated crashes or unexpected restarts of the FTP service, which may indicate abnormal input handling.
- Review FTP logs for unusually large or malformed LIST requests from unknown sources.
- Alert on unexpected processes or child activity spawned by the FTP server process.
Limitations of the available information
The record does not include vendor-issued fix details, a fixed version, CISA KEV status beyond the listed flag, or an EPSS score. The CVSS 3.1 and 4.0 scores come from VulnCheck, and no other provider scores were provided. Technical details of the overflow are limited to the summary in the record.
Frequently asked questions
What is CVE-2020-37068?
It is a buffer overflow (CWE-120) in the LIST command of Konica Minolta FTP Utility version 1.0, as described in the VulnCheck record. The record says it can crash the FTP server and potentially allow unauthorized code execution.
Is there a fixed version available?
The record does not list any fixed version. This does not confirm that no fix exists, so check the vendor and the VulnCheck advisory for updates.
Is this vulnerability known to be exploited in the wild?
The record shows the CVE is not listed in the CISA KEV catalog, and no confirmed exploitation appears in the sources consulted. An Exploit-DB entry is referenced, which shows public exploit material exists.
This analysis was drafted with AI assistance from verified source data and automatically checked against it.