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ubuntucveUbuntu.comUB:CVE-2020-26217
HistoryNov 16, 2020 - 12:00 a.m.

CVE-2020-26217

2020-11-1600:00:00
ubuntu.com
ubuntu.com
12

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.974 High

EPSS

Percentile

99.9%

XStream before version 1.4.14 is vulnerable to Remote Code Execution.The
vulnerability may allow a remote attacker to run arbitrary shell commands
only by manipulating the processed input stream. Only users who rely on
blocklists are affected. Anyone using XStream’s Security Framework
allowlist is not affected. The linked advisory provides code workarounds
for users who cannot upgrade. The issue is fixed in version 1.4.14.

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.974 High

EPSS

Percentile

99.9%