{"id":"CVE-2023-42657","published":"2023-09-27T14:49:03Z","modified":"2024-09-24T14:19:21Z","title":"WS_FTP Server Directory Traversal","vendor":"Progress Software Corporation","product":"WS_FTP Server","tier":"core","eol":null,"affectedVersions":[{"vendor":"Progress Software Corporation","product":"WS_FTP Server","versions":[">= 8.8.0, < 8.8.2",">= 8.7.0, < 8.7.4"]}],"description":{"text":"\n\n\nIn WS_FTP Server versions prior to 8.7.4 and 8.8.2, a directory traversal vulnerability was discovered.  An attacker could leverage this vulnerability to perform file operations (delete, rename, rmdir, mkdir) on files and folders outside of their authorized WS_FTP folder path.  Attackers could also escape the context of the WS_FTP Server file structure and perform the same level of operations (delete, rename, rmdir, mkdir) on file and folder locations on the underlying operating system.\n","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":9.9,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.16008,"percentile":0.96901,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2023-10-09","exploitedFirstSeen":"2023-10-09","ransomware":false,"evidence":[{"url":"https://www.sentinelone.com/blog/threat-actors-actively-exploiting-progress-ws_ftp-via-multiple-attack-chains/","date":"2023-10-09"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":10,"pulses":[{"name":"Critical Vulnerabilities: WS_FTP Exploitation [by tr2222200]","url":"https://otx.alienvault.com/pulse/653f198a561b9efde661055c","created":"2023-10-30"},{"name":"Critical Vulnerabilities: WS_FTP Exploitation","url":"https://otx.alienvault.com/pulse/652fd1753a38a5356e13ba8d","created":"2023-10-18"},{"name":"Critical Vulnerabilities: WS_FTP Exploitation  [by tr2222200]","url":"https://otx.alienvault.com/pulse/652c37538751db7140a0116c","created":"2023-10-15"},{"name":"APT Profile: Dark Pink APT Group","url":"https://otx.alienvault.com/pulse/6528e2ca1ac9af81cbccf1e7","created":"2023-10-13"},{"name":"Critical Vulnerabilities: WS_FTP Exploitation","url":"https://otx.alienvault.com/pulse/6528bbc1b8729ebb21b05fbc","created":"2023-10-13"},{"name":"‘Nightmangle’ Telegram C2 Agent and New FUD Crypter with Windows Defender Bypass","url":"https://otx.alienvault.com/pulse/6527a287ffc43739464c180e","created":"2023-10-12"},{"name":"Threat Actors Actively Exploiting Progress WS_FTP via Multiple Attack Chains - SentinelOne","url":"https://otx.alienvault.com/pulse/65244392ce4f07fd0c3511ed","created":"2023-10-09"},{"name":"They’ve begun: Attacks exploiting vulnerability with maximum 10 severity rating | Ars Technica","url":"https://otx.alienvault.com/pulse/651d5bc174c70cfada597989","created":"2023-10-04"},{"name":"Critical Vulnerabilities: WS_FTP Exploitation","url":"https://otx.alienvault.com/pulse/651c87dbbfb3feb9d7e61095","created":"2023-10-03"},{"name":"Critical Vulnerabilities in WS_FTP Server | Rapid7 Blog","url":"https://otx.alienvault.com/pulse/651c46b48ecc0d81fbfbb6a3","created":"2023-10-03"}],"provenance":"machine"},"cwes":[{"id":"CWE-22","name":"Improper Limitation of a Pathname to a Restricted Directory"}],"references":[{"url":"https://www.progress.com/ws_ftp","tags":["product"]},{"url":"https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023","tags":["vendor-advisory"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-47090","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-47090","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2023-09-27","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2023-42657","provenance":"source"},{"date":"2023-10-09","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.sentinelone.com/blog/threat-actors-actively-exploiting-progress-ws_ftp-via-multiple-attack-chains/","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":63.7,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1117 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.38,"detail":"percentile 0.9690"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":2.36,"detail":"10 pulses"},{"name":"CVSS severity","points":6.93,"detail":"base score 9.9"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}