CVE-2018-20658
CVE-2018-20658 is a high-severity vulnerability in Coreftp Core Ftp with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 8% (94th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Coreftp Core Ftp
- Published:
- Last modified:
Description
The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a denial of service (daemon crash) via a crafted XRMD command.
Frequently asked questions
- What is CVE-2018-20658?
- The server in Core FTP 2.0 build 653 on 32-bit platforms allows remote attackers to cause a denial of service (daemon crash) via a crafted XRMD command.
- How severe is CVE-2018-20658?
- CVE-2018-20658 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2018-20658 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-20658?
- CVE-2018-20658 affects Coreftp Core Ftp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-20658?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-20658 published?
- CVE-2018-20658 was published on 2019-01-02 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:coreftp:core_ftp:2.0:*:*:*:*:*:x86:*
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