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CVE-2021-27857

FatPipe software allows unauthenticated configuration download

HIGH
7.5
CVSS Score
Published: December 15, 2021 at 04:14 PM UTC
Updated: June 17, 2026 at 03:45 AM UTC
9 products affected across 2 vendorsMpvpn FirmwareIpvpn FirmwareWarp Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

A missing authorization vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 allows a remote, unauthenticated attacker to download a configuration archive. The attacker needs to know or correctly guess the hostname of the target system since the hostname is used as part of the configuration archive file name. Older versions of FatPipe software may also be vulnerable. The FatPipe advisory identifier for this vulnerability is FPSA003.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ipvpn Firmware· Fatpipeinc
95%
10.1.2 r60p1010.1.2 r60p1310.1.2 r60p3210.1.2 r60p3510.1.2 r60p4510.1.2 r60p5510.1.2 r60p5810.1.2 r60p58s110.1.2 r60p6510.1.2 r60p7110.1.2 r60p8210.2.2 r1010.2.2 r2510.2.2 r385.2.0 r346.1.2 r70p266.1.2 r70p45-m6.1.2 r70p75-m7.1.2 r399.1.2 r1299.1.2 r1449.1.2 r1509.1.2 r1569.1.2 r161p129.1.2 r161p169.1.2 r161p179.1.2 r161p29.1.2 r161p209.1.2 r161p269.1.2 r161p39.1.2 r1649.1.2 r164p49.1.2 r164p59.1.2 r1659.1.2 r180p29.1.2 r185
fatpipeinc-ipvpn (same device)
Mpvpn Firmware· Fatpipeinc
95%
10.1.2 r60p1010.1.2 r60p1310.1.2 r60p3210.1.2 r60p3510.1.2 r60p4510.1.2 r60p5510.1.2 r60p5810.1.2 r60p58s110.1.2 r60p6510.1.2 r60p7110.1.2 r60p8210.2.2 r1010.2.2 r2510.2.2 r385.2.0 r346.1.2 r70p266.1.2 r70p45-m6.1.2 r70p75-m7.1.2 r399.1.2 r1299.1.2 r1449.1.2 r1509.1.2 r1569.1.2 r161p129.1.2 r161p169.1.2 r161p179.1.2 r161p29.1.2 r161p209.1.2 r161p269.1.2 r161p39.1.2 r1649.1.2 r164p49.1.2 r164p59.1.2 r1659.1.2 r180p29.1.2 r185
fatpipeinc-mpvpn (same device)
Warp Firmware· Fatpipeinc
95%
10.1.2 r60p1010.1.2 r60p1310.1.2 r60p3210.1.2 r60p3510.1.2 r60p4510.1.2 r60p5510.1.2 r60p5810.1.2 r60p58s110.1.2 r60p6510.1.2 r60p7110.1.2 r60p8210.2.2 r1010.2.2 r2510.2.2 r385.2.0 r346.1.2 r70p266.1.2 r70p45-m6.1.2 r70p75-m7.1.2 r399.1.2 r1299.1.2 r1449.1.2 r1509.1.2 r1569.1.2 r161p129.1.2 r161p169.1.2 r161p179.1.2 r161p29.1.2 r161p209.1.2 r161p269.1.2 r161p39.1.2 r1649.1.2 r164p49.1.2 r164p59.1.2 r1659.1.2 r180p29.1.2 r185
fatpipeinc-warp (same device)
IPVPN· Fatpipe
60%
10.1 ≤ v < 10.1.2r60p9110.2 ≤ v < 10.2.2r4210.110.2
Affected range stops below 10.1.2r60p91, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.2.2r42, so it looks safe — our inference, not a vendor statement
MPVPN· Fatpipe
60%
10.1 ≤ v < 10.1.2r60p9110.2 ≤ v < 10.2.2r4210.110.2
Affected range stops below 10.1.2r60p91, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.2.2r42, so it looks safe — our inference, not a vendor statement
WARP· Fatpipe
60%
10.1 ≤ v < 10.1.2r60p9110.2 ≤ v < 10.2.2r4210.110.2
Affected range stops below 10.1.2r60p91, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.2.2r42, so it looks safe — our inference, not a vendor statement
Ipvpn· Fatpipeincdevice
80%
All versions
Mpvpn· Fatpipeincdevice
80%
All versions
Warp· Fatpipeincdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.fatpipeinc.com/support/cve-list.php
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.zeroscience.mk/codes/fatpipe_configdl.txt
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5683.php

CVSS

7.5HIGHcertcc
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-862

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