CVE-2023-34396 json
Apache Struts: DoS via OOM owing to no sanity limit on normal form fields in multipart forms
published 2023-06-14 3 y ago modified 2026-06-17 4 mo ago also GHSA-4g42-gqrg-4633 , EUVD-2023-1686
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.5%
- EPSS 5.5% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
Allocation of Resources Without Limits or Throttling vulnerability in Apache Software Foundation Apache Struts.This issue affects Apache Struts: through 2.5.30, through 6.1.2.
Upgrade to Struts 2.5.31 or 6.1.2.1 or greater
Patch / fix
- maven org.apache.struts:struts2-core 2.5.31, 6.1.2.1
- apache struts 2.5.31, 6.1.2.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
5.51% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| NVD | 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 | <2.5.31 >=6.0.0, <6.1.2.1 |
2.5.31 6.1.2.1 |
| maven | org.apache.struts:struts-core | <=1.3.10 |
no fix listed |
| maven | struts:struts | <=1.2.9 |
no fix listed |
Affected products
- Apache Software Foundation Apache Struts
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
github.com
/apache/struts/commit/2d6f1bc0a6f5ac575a56784ac6461816b67c4f21
web
-
cwiki.apache.org
/confluence/display/WW/S2-064
vendor-advisory, web
-
openwall.com
/lists/oss-security/2023/06/14/3
web, mailing-list
- security.netapp.com /advisory/ntap-20230706-0005/
-
nvd.nist.gov
/vuln/detail/CVE-2023-34396
advisory
-
github.com
/apache/struts
package
-
github.com
/apache/struts/releases/tag/STRUTS_2_5_31
web
-
github.com
/apache/struts/releases/tag/STRUTS_6_1_2_1
web
-
security.netapp.com
/advisory/ntap-20230706-0005
web
Sources
- CVE List CVE-2023-34396
- GitHub Advisory GHSA-4g42-gqrg-4633
- NVD CVE-2023-34396
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.