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CRITICAL · 9.8

CVE-2021-42338

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 s...

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
4MosanGcb Doctor<= 20210708

Related Weaknesses (CWE)

CWE-287CWE-285

References

FAQ

What is CVE-2021-42338?

CVE-2021-42338 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 s...

How severe is CVE-2021-42338?

CVE-2021-42338 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-42338?

Check the references section above for vendor advisories and patch information. Affected products include: 4Mosan Gcb Doctor.