CVE-2021-27860Arbitrary file upload vulnerability in FatPipe software
Updated under an hour ago ()
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It affects FatPipe WARP and 5 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jan 10, 2022; federal agencies had to remediate by Jan 24, 2022. Treat that date as your deadline.
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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
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-434
- Known exploited
- Added to CISA KEV Jan 10, 2022; federal remediation due Jan 24, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 39.68% (percentile 99)
- Assigned by
- certcc
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
FatPipe WARP fatpipe:warp (from the name) | from 10.1 before 10.1.2r60p92; from 10.2 before 10.2.2r44p1 | CNA record |
FatPipe IPVPN fatpipe:ipvpn (from the name) | from 10.1 before 10.1.2r60p92; from 10.2 before 10.2.2r44p1 | CNA record |
FatPipe MPVPN fatpipe:mpvpn (from the name) | from 10.1 before 10.1.2r60p92; from 10.2 before 10.2.2r44p1 | CNA record |
fatpipeinc ipvpn_firmware fatpipeinc:ipvpn_firmware | 5.2.0; 6.1.2; 6.1.2; 6.1.2; 7.1.2; 9.1.2; 9.1.2; 9.1.2; and 28 more ranges | NVD |
fatpipeinc warp_firmware fatpipeinc:warp_firmware | 5.2.0; 6.1.2; 6.1.2; 6.1.2; 7.1.2; 9.1.2; 9.1.2; 9.1.2; and 28 more ranges | NVD |
fatpipeinc mpvpn_firmware fatpipeinc:mpvpn_firmware | 5.2.0; 6.1.2; 6.1.2; 6.1.2; 7.1.2; 9.1.2; 9.1.2; 9.1.2; and 28 more ranges | NVD |
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.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27860us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.