CVE-2020-5221

CVSS V2 Medium 6.4 CVSS V3 High 7.2
Description
In uftpd before 2.11, it is possible for an unauthenticated user to perform a directory traversal attack using multiple different FTP commands and read and write to arbitrary locations on the filesystem due to the lack of a well-written chroot jail in compose_abspath(). This has been fixed in version 2.11
Overview
  • CVE ID
  • CVE-2020-5221
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-01-22T19:15:13
  • Last Modified Date
  • 2020-01-30T16:36:16
Weakness Enumerations
CWE URL
CWE-22 http://cwe.mitre.org/data/definitions/22.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:troglobit:uftpd:*:*:*:*:*:*:*:* 1 OR 2.11
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 6.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 7.2
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://github.com/troglobit/uftpd/security/advisories/GHSA-wmx8-v7mx-6x9h Exploit Third Party Advisory
https://github.com/troglobit/uftpd/commit/455b47d3756aed162d2d0ef7f40b549f3b5b30fe Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-5221
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5221
History
Created Old Value New Value Data Type Notes
2022-05-10 16:52:02 Added to TrackCVE
2022-12-04 09:56:56 2020-01-22T19:15Z 2020-01-22T19:15:13 CVE Published Date updated
2022-12-04 09:56:56 2020-01-30T16:36:16 CVE Modified Date updated
2022-12-04 09:56:56 Analyzed Vulnerability Status updated