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CVE-2021-27860

84
FAUCET Score

CVE-2021-27860 is a critical vulnerability affecting the web management interface of FatPipe WARP, IPVPN, and MPVPN software versions prior to 10.1.2r60p92 and 10.2.2r44p1. This flaw, categorized as CWE-434 (Unrestricted Upload of File with Dangerous Type), allows an unauthenticated, remote attacker to upload arbitrary files to any location on the affected system. With a CVSS score of 8.8 (HIGH), the vulnerability poses a significant risk, enabling potential complete compromise of confidentiality, integrity, and availability. It is actively exploited in the wild, as confirmed by its inclusion in CISA's KEV catalog, and has garnered substantial community discussion and media coverage, despite no public Metasploit or ExploitDB modules.

Impacted Technologies

VendorProductVersion(s)CPE
5.2.0CPE matchmatch criteria
cpe:2.3:o:fatpipeinc:ipvpn_firmware:5.2.0:r34:*:*:*:*:*:*
6.1.2CPE matchmatch criteria
cpe:2.3:o:fatpipeinc:ipvpn_firmware:6.1.2:r70p26:*:*:*:*:*:*
6.1.2CPE matchmatch criteria
cpe:2.3:o:fatpipeinc:ipvpn_firmware:6.1.2:r70p45-m:*:*:*:*:*:*
6.1.2CPE matchmatch criteria
cpe:2.3:o:fatpipeinc:ipvpn_firmware:6.1.2:r70p75-m:*:*:*:*:*:*
7.1.2CPE matchmatch criteria
cpe:2.3:o:fatpipeinc:ipvpn_firmware:7.1.2:r39:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
39.82%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
Added to KEV · Jan 10, 2022
This CVE's current EPSS score of 0.3982 is in the 99th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
fatpipeinc.com / support/cve-list.php
Vendor Advisory
ic3.gov / Media/News/2021/211117-2.pdf
ExploitMitigationThird Party AdvisoryUS Government Resource