The OPC SAX setup in Apache POI before 3.10.1 allows remote attackers to read arbitrary files via an OpenXML file containing an XML external
The OPC SAX setup in Apache POI before 3.10.1 allows remote attackers to read arbitrary files via an OpenXML file containing an XML external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.
- Published
- Sep 4, 2014
- Updated
- Jun 16, 2026
- EPSS
- 12.8% · 96th percentile
- CWE
- —
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Report tools
Action score
21
Monitor
Low priority for now.
- CVSS
- 17 / 40 · 4.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 4 / 30 · 12.8%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| apache | poi | cpe:2.3:a:apache:poi |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- apache poiup to 3.10 inclusive
- apache poi0.1
- apache poi0.10.0
- apache poi0.11.0
- apache poi0.12.0
- apache poi0.13.0
- apache poi0.14.0
- apache poi0.2
- apache poi0.3
- apache poi0.4
- apache poi0.5
- apache poi0.6
- apache poi0.7
- apache poi1.0.0
- apache poi1.0.1
- apache poi1.0.2
- apache poi1.1.0
- apache poi1.10
- apache poi1.2.0
- apache poi1.5
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | libapache-poi-java | before 3.10.1-1 | 3.10.1-1 |
| Maven | org.apache.poi:poi | before 3.10.1 | 3.10.1 |
Same product
apache: all recordsOther highest-scoring records for the same primary product.
- CVE-2017-12626Apache POI in versions prior to release 3.17 are vulnerable to Denial of Service Attacks: 1) Infinite Loops while parsing crafted WMF, EMF, 33Monitor
- CVE-2017-5644Apache POI in versions prior to release 3.15 allows remote attackers to cause a denial of service (CPU consumption) via a specially crafted 23Monitor
- CVE-2016-5000The XLSX2CSV example in Apache POI before 3.14 allows remote attackers to read arbitrary files via a crafted OpenXML document containing an 23Monitor
- CVE-2022-26336A carefully crafted TNEF file can cause an out of memory exception22Monitor
- CVE-2019-12415In Apache POI up to 4.1.0, when using the tool XSSFExportToXml to convert user-provided Microsoft Excel documents, a specially crafted docum22Monitor
- CVE-2014-9527HSLFSlideShow in Apache POI before 3.11 allows remote attackers to cause a denial of service (infinite loop and deadlock) via a crafted PPT 22Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:libapache-poi-java | 3.10.1-1 · Debian:12 | Package registry (OSV) |
| Maven:org.apache.poi:poi | 3.10.1 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
If successful
- Confidentiality
- P · data can be read
- Integrity
- none
- Availability
- none
- Attack complexity
- M
- Confidentiality impact
- P
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
—
CVSS vector
AV:N/AC:M/Au:N/C:P/I:N/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- poi.apache.org/changes.html
- rhn.redhat.com/errata/RHSA-2014-1370.html
- rhn.redhat.com/errata/RHSA-2014-1398.html
- rhn.redhat.com/errata/RHSA-2014-1399.html
- rhn.redhat.com/errata/RHSA-2014-1400.html
- secunia.com/advisories/59943
- secunia.com/advisories/60419
- secunia.com/advisories/61766
- www-01.ibm.com/support/docview.wss?uid=swg21996759
- www.apache.org/dist/poi/release/RELEASE-NOTES.txt
- www.securityfocus.com/bid/69647
- www.securityfocus.com/bid/78018
- exchange.xforce.ibmcloud.com/vulnerabilities/95770
- lucene.apache.org/solr/solrnews.html#18-august-2014-recommendation-to-update-apache-poi-in-apache-solr-480-481-and-490-installations
Vendor advisories and official records. Exploit/PoC links are deliberately left out.