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CVE-2021-27860

FatPipe WARP, IPVPN, and MPVPN Configuration Upload exploit

9.8 CRITICALActively exploited (CISA KEV)Public exploitEPSS 39.8%
  1. Published8 Dec 2021
  2. Added to CISA KEV10 Jan 2022
  3. Remediation due24 Jan 2022
Actively exploited (CISA KEV)

A vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN software allows a remote, unauthenticated attacker to upload a file to any location on the filesystem.

Added to KEV: 10 Jan 2022Federal remediation due: 24 Jan 2022

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 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Fatpipeinc Ipvpn Firmware10.1.2 · 10.2.2 · 5.2.0 · 6.1.2
Fatpipeinc Mpvpn Firmware10.1.2 · 10.2.2 · 5.2.0 · 6.1.2
Fatpipeinc Warp Firmware10.1.2 · 10.2.2 · 5.2.0 · 6.1.2

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2021-27860 being actively exploited?

Yes. CVE-2021-27860 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 10 Jan 2022.

How severe is CVE-2021-27860?

CVE-2021-27860 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 39.8% probability of exploitation.

Which products are affected by CVE-2021-27860?

Affected products include Fatpipeinc Ipvpn Firmware, Fatpipeinc Mpvpn Firmware, Fatpipeinc Warp Firmware.

How do I fix CVE-2021-27860?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-27860 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.