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ubuntucveUbuntu.comUB:CVE-2021-22118
HistoryMay 27, 2021 - 12:00 a.m.

CVE-2021-22118

2021-05-2700:00:00
ubuntu.com
ubuntu.com
15

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0005 Low

EPSS

Percentile

15.8%

In Spring Framework, versions 5.2.x prior to 5.2.15 and versions 5.3.x
prior to 5.3.7, a WebFlux application is vulnerable to a privilege
escalation: by (re)creating the temporary storage directory, a locally
authenticated malicious user can read or modify files that have been
uploaded to the WebFlux application, or overwrite arbitrary files with
multipart request data.

Notes

Author Note
seth-arnold I didn’t find code in our packages that looks like the patch.
OSVersionArchitecturePackageVersionFilename
ubuntu16.04noarchlibspring-java< anyUNKNOWN

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0005 Low

EPSS

Percentile

15.8%