CVE-2021-27859 json
Missing authorization vulnerability in FatPipe software
published 2021-12-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14597
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
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 an authenticated, remote attacker with read-only privileges to create an account with administrative privileges. Older versions of FatPipe software may also be vulnerable. This does not appear to be a CSRF vulnerability. The FatPipe advisory identifier for this vulnerability is FPSA005.
Patch / fix
- FatPipe WARP 10.1.2r60p91, 10.2.2r42
- FatPipe IPVPN 10.1.2r60p91, 10.2.2r42
- FatPipe MPVPN 10.1.2r60p91, 10.2.2r42
Exploit prediction
1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- FatPipe WARP
- FatPipe IPVPN
- FatPipe MPVPN
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
-
fatpipeinc.com
/support/cve-list.php
vendor-advisory
-
zeroscience.mk
/en/vulnerabilities/ZSL-2021-5681.php
third-party-advisory
-
zeroscience.mk
/codes/fatpipe_csrf.txt
third-party-advisory
Sources
- CVE List CVE-2021-27859
- NVD CVE-2021-27859
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