Security readout for executives and security teams
Plain-English summary
CVE-2022-50799 affects Fetch Softworks Fetch FTP Client 5.8/5.8.2. A malicious or compromised FTP server can send an unusually long response that drives the client to 100% CPU use and may crash it. This is an availability issue for users relying on the client, not a reported data-theft or remote-code-execution issue.
Executive priority
Prioritize remediation for teams that depend on Fetch for file transfers or connect to third-party FTP servers. The business risk is disruption and user workstation resource exhaustion, not confirmed system compromise. Treat as high where affected clients are still in active use.
Technical view
The vulnerability is classified as CWE-770, uncontrolled resource allocation. Sources describe crafted FTP server responses over 2 KB causing excessive CPU consumption in Fetch FTP Client 5.8.2. CVSS 3.1 is 7.5, AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Public exploit reference exists, but KEV status is false.
Likely exposure
Exposure is most relevant where macOS users run Fetch FTP Client 5.8 or 5.8.2 and connect to untrusted, attacker-controlled, or compromised FTP servers. Server operators are not the primary affected party; the vulnerable component is the client application.
Exploitation context
The provided sources include an Exploit-DB reference and third-party advisories. They do not show CISA KEV listing or confirmed active exploitation. Practical impact is denial of service: the client can consume CPU heavily or crash when processing malicious server responses.
Researcher notes
Evidence is limited to public CVE data and third-party advisories. The source bundle names Fetch FTP Client 5.8.2 in the title and description, while the affected entry lists 5.8. Do not broaden affected versions without vendor confirmation. No patch details are provided in the supplied sources.
Mitigation direction
- Inventory systems for Fetch FTP Client 5.8 or 5.8.2.
- Check Fetch Softworks guidance for fixed versions or vendor-recommended actions.
- Upgrade or replace the client if a fixed release is available.
- Avoid connecting Fetch to untrusted or unknown FTP servers.
- Prefer trusted transfer services and restrict legacy FTP use where possible.
Validation and detection
- Confirm installed Fetch FTP Client versions on managed endpoints.
- Review endpoint telemetry for Fetch crashes or sustained high CPU usage.
- Identify users connecting to external or untrusted FTP servers.
- Check vendor and advisory pages for version-specific remediation details.
- Validate remediation by confirming removal, replacement, or upgrade of affected versions.
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-770: 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 lookupCVE-2022-50799 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
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-50696CVE reference · exploit
- Fetch Softworks Product HomepageCVE reference · product
- Zero Science Lab Disclosure (ZSL-2022-5696)CVE reference · third-party-advisory
- VulnCheck Advisory: Fetch Softworks Fetch FTP Client 5.8.2 Remote CPU Consumption Denial of ServiceCVE 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.