CVE-2021-27860
FatPipe WARP, IPVPN, and MPVPN Configuration Upload exploit
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 January 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p92 and 10.2.2r44p1 allows a remote, unauthenticated attacker to upload a file to any location on the filesystem. The FatPipe advisory identifier for this vulnerability is FPSA006.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 39.68% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 10 January 2022 · due 24 January 2022
- Weakness
- CWE-434
- Affected
- fatpipeinc/ipvpn firmware · fatpipeinc/warp firmware · fatpipeinc/mpvpn firmware
- Source
- cret@cert.org
EPSS 39.7% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-27860
References
- https://www.fatpipeinc.com/support/cve-list.phpVendor Advisory
- https://www.ic3.gov/Media/News/2021/211117-2.pdfExploit, Mitigation, Third Party Advisory, US Government Resource
- https://www.fatpipeinc.com/support/cve-list.phpVendor Advisory
- https://www.ic3.gov/Media/News/2021/211117-2.pdfExploit, Mitigation, Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27860US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.