1. Home
  2. CVE Database
  3. CVE-2021-20264
HIGH · 7.8

CVE-2021-20264

An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify the /etc/passwd and es...

Vulnerability Description

An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify the /etc/passwd and escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
OracleOpenjdk1.8.0

Related Weaknesses (CWE)

CWE-266CWE-732

References

FAQ

What is CVE-2021-20264?

CVE-2021-20264 is a vulnerability with a CVSS score of 7.8 (HIGH). An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify the /etc/passwd and es...

How severe is CVE-2021-20264?

CVE-2021-20264 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20264?

Check the references section above for vendor advisories and patch information. Affected products include: Oracle Openjdk.