CVE-2020-6835
CVE-2020-6835 is a critical-severity vulnerability in Bftpd Project Bftpd with a CVSS 3.x base score of 9.8. 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-193.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (79th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-193
- Affected product: Bftpd Project Bftpd
- Published:
- Last modified:
Description
An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file-transfer error checking.
Frequently asked questions
- What is CVE-2020-6835?
- An issue was discovered in Bftpd before 5.4. There is a heap-based off-by-one error during file-transfer error checking.
- How severe is CVE-2020-6835?
- CVE-2020-6835 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-6835 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-6835?
- CVE-2020-6835 affects Bftpd Project Bftpd. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-6835?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-6835 published?
- CVE-2020-6835 was published on 2020-01-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:bftpd_project:bftpd:*:*:*:*:*:*:*:*
More vulnerabilities in Bftpd Project Bftpd
- CVE-2020-6162 — Critical (CVSS 9.1): An issue was discovered in Bftpd 5.3. Under certain circumstances, an out-of-bounds read is triggered due to an…
- CVE-2017-16892 — High (CVSS 7.5): In Bftpd before 4.7, there is a memory leak in the file rename function.
All CVEs affecting Bftpd Project Bftpd →
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