Apache POI in versions prior to release 3.15 allows remote attackers to cause a denial of service (CPU consumption) via a specially crafted OOXML file, aka an XML Entity Expansion (XEE) attack
Published Mar 24, 2017
5.5
MEDIUMCVSS 3.0
EPSS 4.59%
Description
Apache POI in versions prior to release 3.15 allows remote attackers to cause a denial of service (CPU consumption) via a specially crafted OOXML file, aka an XML Entity Expansion (XEE) attack.
Affected products
-
- Version before 3.15StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache POI | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.59% (0.04595) | 91.36th | v5 (v2026.06.15) |
| Sep 22, 2026 | 4.59% (0.04595) | 91.24th | v5 (v2026.06.15) |
| Sep 21, 2026 | 8.43% (0.08427) | 94.82th | v5 (v2026.06.15) |
| Sep 6, 2026 | 4.59% (0.04595) | 91.04th | v5 (v2026.06.15) |
| Sep 5, 2026 | 8.43% (0.08427) | 94.70th | v5 (v2026.06.15) |
| Aug 30, 2026 | 4.59% (0.04595) | 90.99th | v5 (v2026.06.15) |
| Aug 28, 2026 | 8.43% (0.08427) | 94.67th | v5 (v2026.06.15) |
| Aug 24, 2026 | 4.59% (0.04595) | 90.94th | v5 (v2026.06.15) |
| Aug 23, 2026 | 8.43% (0.08427) | 94.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.62% (0.04616) | 90.47th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.50% (0.00500) | 63.87th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.37% (0.01372) | 86.85th | v3 (v2023.03.01) |
| Sep 3, 2023 | 1.37% (0.01372) | 84.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.98% (0.00982) | 81.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.81% (0.03812) | 72.38th | v5 (v2026.06.15) |
| Apr 14, 2021 | 3.81% (0.03812) | 0.00th | v1 |
References (5)
- http://poi.apache.org/#20+March+2017+-+CVE-2017-5644+-+Possible+DOS+%28Denial+of+Service%29+in+Apache+POI+versions+prior+to+3.15 x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/96983 vdb-entryx_refsource_BID
- https://github.com/advisories/GHSA-78vv-qj73-h9m5 Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-5644
- https://www.oracle.com/security-alerts/cpuoct2020.html x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://poi.apache.org/#20+March+2017+-+CVE-2017-5644+-+Possible+DOS+%28Denial+of+Service%29+in+Apache+POI+versions+prior+to+3.15 | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/96983 | vdb-entryx_refsource_BID | |
| https://github.com/advisories/GHSA-78vv-qj73-h9m5 | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-5644 | ||
| https://www.oracle.com/security-alerts/cpuoct2020.html | x_refsource_MISC |
Change history (0)
No recorded changes yet.