{"id":"CVE-2021-27856","published":"2021-12-15T16:14:47Z","modified":"2024-09-17T01:31:27Z","title":"FatPipe software administrative account with no password","vendor":"FatPipe","product":"WARP","tier":"core","eol":null,"affectedVersions":[{"vendor":"FatPipe","product":"WARP","versions":[">= 10.1, < 10.1.2r60p91",">= 10.2, < 10.2.2r42"]},{"vendor":"FatPipe","product":"IPVPN","versions":[">= 10.1, < 10.1.2r60p91",">= 10.2, < 10.2.2r42"]},{"vendor":"FatPipe","product":"MPVPN","versions":[">= 10.1, < 10.1.2r60p91",">= 10.2, < 10.2.2r42"]}],"description":{"text":"FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 includes an account named \"cmuser\" that has administrative privileges and no password. Older versions of FatPipe software may also be vulnerable. The FatPipe advisory identifier for this vulnerability is FPSA002.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.05469,"percentile":0.92733,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2023-05-05","exploitedFirstSeen":"2023-05-05","ransomware":false,"evidence":[{"url":"https://www.linkedin.com/pulse/how-i-hacked-group-hackers-operating-nigerian-banks-tale-sennaike/","date":"2023-05-05"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[],"references":[{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5684.php","tags":["x_refsource_MISC"]},{"url":"https://www.fatpipeinc.com/support/cve-list.php","tags":["x_refsource_CONFIRM"]},{"url":"https://www.zeroscience.mk/codes/fatpipe_backdoor.txt","tags":["x_refsource_MISC"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2021-14594","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-14594","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":{"nuclei":[{"id":"CVE-2021-27856","name":"FatPipe WARP/IPVPN/MPVPN - Backdoor Account","severity":"critical","path":"http/cves/2021/CVE-2021-27856.yaml","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-27856.yaml"}],"provenance":"source"},"exploitRefs":[],"flow":[],"timeline":[{"date":"2021-12-15","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2021-27856","provenance":"source"},{"date":"2023-05-05","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.linkedin.com/pulse/how-i-hacked-group-hackers-operating-nigerian-banks-tale-sennaike/","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":65.4,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1273 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":18.55,"detail":"percentile 0.9273"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 nuclei template"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}