CVE-2021-27860
HighExploitedPublic exploitA 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.
Published Dec 8, 2021 · Updated Oct 24, 2025
Key Facts
Patch immediately- CVE-2021-27860 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Ipvpn Firmware (Fatpipeinc), Mpvpn Firmware (Fatpipeinc), Warp Firmware (Fatpipeinc) and 3 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jan 10, 2022. Public exploit code is available.
- EPSS estimates a 40% probability of exploitation in the next 30 days.
- Fixed versions are available, including IPVPN 10.1.2r60p92, IPVPN 10.2.2r44p1, MPVPN 10.1.2r60p92.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
40%
Higher than 98.6% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2021-27860 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jan 10, 2022 | Jan 24, 2022 | Not reported |
| Industry KEV feed | Jan 10, 2022 | Jan 24, 2022 | Not reported |
| CIRCL KEV | Jan 10, 2022 | Jan 24, 2022 | Not reported |
| ENISA EUVD | Jan 10, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
111 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Ipvpn FirmwareFatpipeinc | 10.1.2-r60p10, 10.1.2-r60p13, 10.1.2-r60p32, 10.1.2-r60p35, 10.1.2-r60p45, 10.1.2-r60p55, 10.1.2-r60p58, 10.1.2-r60p58s1 | n/a |
| Mpvpn FirmwareFatpipeinc | 10.1.2-r60p10, 10.1.2-r60p13, 10.1.2-r60p32, 10.1.2-r60p35, 10.1.2-r60p45, 10.1.2-r60p55, 10.1.2-r60p58, 10.1.2-r60p58s1 | n/a |
| Warp FirmwareFatpipeinc | 10.1.2-r60p10, 10.1.2-r60p13, 10.1.2-r60p32, 10.1.2-r60p35, 10.1.2-r60p45, 10.1.2-r60p55, 10.1.2-r60p58, 10.1.2-r60p58s1 | n/a |
| IPVPN | >= 10.1 | 10.1.2r60p92 |
| MPVPN | >= 10.1 | 10.1.2r60p92 |
Patched Releases
IPVPN
10.1.2r60p92, 10.2.2r44p1
MPVPN
10.1.2r60p92, 10.2.2r44p1
WARP
10.1.2r60p92, 10.2.2r44p1
Timeline
Publicly disclosed
Dec 8, 2021
Added to CISA KEV
Jan 10, 2022
Added to Industry KEV feed
Jan 10, 2022
Added to CIRCL KEV
Jan 10, 2022
Added to ENISA EUVD
Jan 10, 2022
Last updated
Oct 24, 2025
Weakness Type
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
- advisoryhttps://www.fatpipeinc.com/support/cve-list.php
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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.
Affected: Ipvpn Firmware (Fatpipeinc) versions 10.1.2-r60p10, 10.1.2-r60p13, 10.1.2-r60p32, 10.1.2-r60p35, 10.1.2-r60p45, 10.1.2-r60p55, 10.1.2-r60p58, 10.1.2-r60p58s1; Mpvpn Firmware (Fatpipeinc) versions 10.1.2-r60p10, 10.1.2-r60p13, 10.1.2-r60p32, 10.1.2-r60p35, 10.1.2-r60p45, 10.1.2-r60p55, 10.1.2-r60p58, 10.1.2-r60p58s1; Warp Firmware (Fatpipeinc) versions 10.1.2-r60p10, 10.1.2-r60p13, 10.1.2-r60p32, 10.1.2-r60p35, 10.1.2-r60p45, 10.1.2-r60p55, 10.1.2-r60p58, 10.1.2-r60p58s1, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jan 10, 2022.
Yes. It was added on Jan 10, 2022 with a federal remediation due date of Jan 24, 2022.
Public exploit code is available.
Fixed versions are available, including IPVPN 10.1.2r60p92, IPVPN 10.2.2r44p1, MPVPN 10.1.2r60p92.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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