PatchTheCVECVE-2021-27860: FatPipe WARP, IPVPN, and MPVPN Configuration Upload exploit
CVE-2021-27860 is a critical-severity flaw (CVSS 9.8) affecting ipvpn firmware, warp firmware, mpvpn firmware, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Critical severity
- EPSS top 1%: very likely to be exploited
- Exploited in the wild (CISA KEV)
- Public exploit reference
- CISA SSVC: automatable with total technical impact
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 39.7% (top 1%) |
| CISA exploited list | Yes, fix due 2022-01-24 |
| Weakness | CWE-434 |
| Published | 2021-12-08 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Exploited Added to the CISA Known Exploited Vulnerabilities list
- Deadline CISA due date for US federal agencies to patch
- Updated Record last modified
Exact fixes by distribution
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-27860?
ipvpn firmware: mitigate or apply the listed mitigation; warp firmware: mitigate or apply the listed mitigation; mpvpn firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-27860 being exploited?
Yes. CVE-2021-27860 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.
What does CVE-2021-27860 affect?
CVE-2021-27860 affects ipvpn firmware, warp firmware, mpvpn firmware. Severity is critical (CVSS 9.8). 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 FatP
How urgent is CVE-2021-27860?
Priority 97/100. Critical severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action
Related CVEs
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- CVE-2021-27858 MEDIUM 5.3 MITIGATE MITIGATE A missing authorization vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN softwa
- CVE-2021-27857 HIGH 7.5 MITIGATE MITIGATE A missing authorization vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN softwa
- CVE-2021-27856 CRITICAL 9.8 MITIGATE MITIGATE FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 includes an account named
- CVE-2021-27855 HIGH 8.8 MITIGATE MITIGATE FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 allows a remote, authenti