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Fencer Vulns
high 7.5

CVE-2023-41835 json

Apache Struts: excessive disk usage

published 2023-12-05 2 y ago modified 2026-06-17 4 mo ago also GHSA-729q-fcgp-r5xh , EUVD-2023-3135

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
7.3%
EPSS 7.3% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

When a Multipart request is performed but some of the fields exceed the maxStringLength  limit, the upload files will remain in struts.multipart.saveDir  even if the request has been denied. Users are recommended to upgrade to versions Struts 2.5.32 or 6.1.2.2 or Struts 6.3.0.1 or greater, which fixe this issue.

Patch / fix

  • maven org.apache.struts:struts2-core 2.5.32, 6.1.2.2, 6.3.0.1
  • apache struts 2.5.32, 6.3.0.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-41835 updated cvss 7.5

struts: Excessive disk usage during file upload

  • Red Hat A-MQ Clients 2 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat Migration Toolkit for Applications 6 org.apache.struts-struts-core Red Hat Migration Toolkit for Runtimes org.apache.struts-struts-core Red Hat OpenShift Serverless org.apache.struts-struts-core org.apache.struts-struts-core Red Hat AMQ Broker 7 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat build of Apache Camel for Spring Boot 3 org.apache.struts-struts-core org.apache.struts-struts-core
    +21 more products
    Red Hat build of Debezium 2 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat Build of Keycloak org.apache.struts-struts-core org.apache.struts-struts-core Red Hat build of OptaPlanner 8 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat build of Quarkus struts-core Red Hat Data Grid 8 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat Decision Manager 7 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat Fuse 7 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat Integration Camel K 1 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat Integration Camel Quarkus 2 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat JBoss Data Grid 7 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat JBoss Enterprise Application Platform 6 org.keycloak-keycloak-parent org.keycloak-keycloak-parent, org.apache.struts-struts-core org.apache.struts-struts-core Red Hat JBoss Enterprise Application Platform 7 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat JBoss Enterprise Application Platform 8 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat JBoss Enterprise Application Platform Expansion Pack org.apache.struts-struts-core org.apache.struts-struts-core Red Hat JBoss Fuse 6 struts-core, org.apache.struts-struts-core org.apache.struts-struts-core Red Hat JBoss Fuse Service Works 6 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat JBoss Web Server 5 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat Process Automation 7 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat Single Sign-On 7 org.apache.struts-struts-core org.apache.struts-struts-core Red Hat support for Spring Boot org.apache.struts-struts-core org.apache.struts-struts-core Red Hat streams for Apache Kafka org.apache.struts-struts-core org.apache.struts-struts-core
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

7.30% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
maven org.apache.struts:struts2-core
>=6.2.0, <6.3.0.1
>=6.0.0, <6.1.2.2
<2.5.32
6.3.0.1
6.1.2.2
2.5.32

Affected products

  • Apache Software Foundation Apache Struts

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.