Privilege Escalation Vulnerability in Spring Framework by VMware
CVE-2021-22118

7.8HIGH

Key Information:

Vendor

Vmware
Status
Spring Framework
Vendor
CVE Published:
27 May 2021

What is CVE-2021-22118?

In the Spring Framework, specifically in versions preceding 5.2.15 and 5.3.7, there exists a vulnerability that allows a locally authenticated attacker to perform privilege escalation. This occurs due to improper handling of temporary storage directories. A malicious user could exploit this flaw by (re)creating these directories, gaining unauthorized access to read, modify, or overwrite files uploaded to the WebFlux application using multipart requests.

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Affected Version(s)

Spring Framework Spring Framework versions 5.2.x prior to 5.2.15 and versions 5.3.x prior to 5.3.7

References

https://tanzu.vmware.com/security/cve-2021-22118
x_refsource_MISC
https://www.oracle.com//security-alerts/cpujul2021.html
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20210713-0005/
x_refsource_CONFIRM

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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