CVE-2021-42338

4MOSAn GCB Doctor - Improper Authorization

Description

4MOSAn GCB Doctor’s login page has improper validation of Cookie, which allows an unauthenticated remote attacker to bypass authentication by code injection in cookie, and arbitrarily manipulate the system or interrupt services by upload and execution of arbitrary files.

Remediation

Solution:

  • Update 4MOSAn GCB Doctor version to 20210811 (v2.0)

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.81% Top 30%
Third-Party Advisory org.tw
Affected: 4MOSAn GCB Doctor
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-42338?
CVE-2021-42338 has been scored as a critical severity vulnerability.
How to fix CVE-2021-42338?
To fix CVE-2021-42338: Update 4MOSAn GCB Doctor version to 20210811 (v2.0)
Is CVE-2021-42338 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-42338 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-42338?
CVE-2021-42338 affects 4MOSAn GCB Doctor.
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