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redhatcveRedhat.comRH:CVE-2023-20863
HistoryApr 18, 2023 - 3:31 p.m.

CVE-2023-20863

2023-04-1815:31:05
redhat.com
access.redhat.com
23
spring framework
expression language
denial of service

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.003 Low

EPSS

Percentile

70.0%

A flaw was found in Spring Framework. Certain versions of Spring Framework’s Expression Language were not restricting the size of Spring Expressions. This could allow an attacker to craft a malicious Spring Expression to cause a denial of service on the server.

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.003 Low

EPSS

Percentile

70.0%