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ubuntucveUbuntu.comUB:CVE-2021-2341
HistoryJul 21, 2021 - 12:00 a.m.

CVE-2021-2341

2021-07-2100:00:00
ubuntu.com
ubuntu.com
20

3.1 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

0.001 Low

EPSS

Percentile

49.1%

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of
Oracle Java SE (component: Networking). Supported versions that are
affected are Java SE: 7u301, 8u291, 11.0.11, 16.0.1; Oracle GraalVM
Enterprise Edition: 20.3.2 and 21.1.0. Difficult to exploit vulnerability
allows unauthenticated attacker with network access via multiple protocols
to compromise Java SE, Oracle GraalVM Enterprise Edition. Successful
attacks require human interaction from a person other than the attacker.
Successful attacks of this vulnerability can result in unauthorized read
access to a subset of Java SE, Oracle GraalVM Enterprise Edition accessible
data. Note: This vulnerability applies to Java deployments, typically in
clients running sandboxed Java Web Start applications or sandboxed Java
applets, that load and run untrusted code (e.g., code that comes from the
internet) and rely on the Java sandbox for security. This vulnerability
does not apply to Java deployments, typically in servers, that load and run
only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base
Score 3.1 (Confidentiality impacts). CVSS Vector:
(CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N).

Notes

Author Note
sbeattie the fix for this issue changes the FTP client behavior in OpenJDK. See the Oracle release notes on the new jdk.net.ftp.trustPasvAddress system property that can be set if this breaks PASV commands from an application using the FTP client implementation in OpenJDK.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchopenjdk-8< 8u312-b07-0ubuntu1~18.04UNKNOWN
ubuntu20.04noarchopenjdk-8< 8u312-b07-0ubuntu1~20.04UNKNOWN
ubuntu21.04noarchopenjdk-8< 8u312-b07-0ubuntu1~21.04UNKNOWN
ubuntu16.04noarchopenjdk-8< 8u312-b07-0ubuntu1~16.04) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchopenjdk-lts< 11.0.13+8-0ubuntu1~18.04UNKNOWN
ubuntu20.04noarchopenjdk-lts< 11.0.13+8-0ubuntu1~20.04UNKNOWN
ubuntu21.04noarchopenjdk-lts< 11.0.13+8-0ubuntu1~21.04UNKNOWN
ubuntu21.10noarchopenjdk-lts< 11.0.12+7-0ubuntu1UNKNOWN
ubuntu22.04noarchopenjdk-lts< 11.0.12+7-0ubuntu1UNKNOWN
ubuntu22.10noarchopenjdk-lts< 11.0.12+7-0ubuntu1UNKNOWN
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3.1 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

0.001 Low

EPSS

Percentile

49.1%