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.
Published 2021-05-27 15:15:07
Updated 2022-10-25 20:57:06
Source VMware
View at NVD,   CVE.org
Vulnerability category: Gain privilege

Exploit prediction scoring system (EPSS) score for CVE-2021-22118

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 14 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-22118

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.6
MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P
3.9
6.4
NIST
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2021-22118

  • The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
    Assigned by: security@vmware.com (Secondary)
  • The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-22118

Products affected by CVE-2021-22118

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