CVE-2020-20277
high-risk
Published 2020-12-18
There are multiple unauthenticated directory traversal vulnerabilities in different FTP commands in uftpd FTP server versions 2.7 to 2.10 due to improper implementation of a chroot jail in common.c's compose_abspath function that can be abused to read or write to arbitrary files on the filesystem, leak process memory, or potentially lead to remote code execution.
Do I need to act?
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38.9% chance of exploitation in next 30 days
EPSS score — higher than 61% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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1 public exploit available
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Uftpd
Affected Vendors
References (6)
Third Party Advisory
https://arinerron.com/blog/posts/6
Third Party Advisory
https://arinerron.com/blog/posts/6
54
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
17/34 · Moderate
Exposure
5/34 · Minimal