CVE-2021-22127
Last modified
CVE-2021-22127 is a high-severity vulnerability rated 8/10 on the CVSS scale. An improper input validation vulnerability in FortiClient for Linux 6.4.x before 6.4.3, FortiClient for Linux 6.2.x before 6.2.9 may allow an unauthenticated attacker to execute arbitrary code on the host operating system as root via tricking the user into connecting to a network with a malicious name.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.
Description
An improper input validation vulnerability in FortiClient for Linux 6.4.x before 6.4.3, FortiClient for Linux 6.2.x before 6.2.9 may allow an unauthenticated attacker to execute arbitrary code on the host operating system as root via tricking the user into connecting to a network with a malicious name.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Forticlient | < 6.2.9 |
| Fortinet | Forticlient | >= 6.4.0, < 6.4.3 |
References
- https://fortiguard.com/advisory/FG-IR-20-241Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-20-241Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-22127?
How severe is CVE-2021-22127?
How do I fix CVE-2021-22127?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-2212Vulnerability in the MySQL Server product of Oracle MySQL (c…4.9
- CVE-2021-22122An improper neutralization of input during web page generati…6.1
- CVE-2021-22123An OS command injection vulnerability in FortiWeb's manageme…8.8
- CVE-2021-22124An uncontrolled resource consumption (denial of service) vul…7.5
- CVE-2021-22125An instance of improper neutralization of special elements i…7.2
- CVE-2021-22126A use of hard-coded password vulnerability in FortiWLC versi…6.7
- CVE-2021-22128An improper access control vulnerability in FortiProxy SSL V…4.3
- CVE-2021-22129Multiple instances of incorrect calculation of buffer size i…8.8
- CVE-2021-2213Vulnerability in the MySQL Server product of Oracle MySQL (c…4.9
- CVE-2021-22130A stack-based buffer overflow vulnerability in FortiProxy ph…4.9
- CVE-2021-22131A improper validation of certificate with host mismatch in F…5.4
- CVE-2021-22132Elasticsearch versions 7.7.0 to 7.10.1 contain an informatio…4.8
Are you affected by CVE-2021-22127?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
