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CVE-2023-34396Apache Struts: DoS via OOM owing to no sanity limit on normal form fields in multipart forms
- 4.3MediumCVSS base score
- 5.5%Exploitation in 30 daysEPSS · top 7.1% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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
Timeline
ID reserved
By apache
- 10 days later
· 10 days later
Published
- 20 months later
· 20 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| apacheCNA (assigner) | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 5.5% · top 7.1% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
Apache Software Foundation · Apache Struts
- affected ≤ 2.5.30
- affected ≤ 6.1.2
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.struts:struts-coreGHSA-4g42-gqrg-4633 (opens in a new tab)
- Mavenorg.apache.struts:struts2-coreGHSA-4g42-gqrg-4633 (opens in a new tab)
- Mavenstruts:strutsGHSA-4g42-gqrg-4633 (opens in a new tab)
References
References3
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-1686 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-4g42-gqrg-4633 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://cveledger.app/cve/CVE-2023-34396)Record last updated .