CVE-2016-1000031

Apache Commons FileUpload before 1.3.3 DiskFileItem File Manipulation Remote Code Execution

Published: 2016-10-25 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-1000031 is rated High Risk (78.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 56.43%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +6.35% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-1000031

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-29 50.09% 56.43% +6.35%
2 2026-04-07 50.67% 50.09% -0.58%
3 2026-03-20 50.67%

Full EPSS history (44 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-1000031

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2016-1000031

GitHub Security Advisory for CVE-2016-1000031

GHSA-7x9j-7223-rg5m · Severity: critical · Ecosystem: maven — Improper Access Control in commons-fileupload

OS Trackers for CVE-2016-1000031

vendor priority summary link
debian unimportant CVE-2016-1000031 unimportant priority: Debian including 1 source packages (libcommons-fileupload-java), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. https://security-tracker.debian.org/tracker/CVE-2016-1000031
redhat medium https://access.redhat.com/security/cve/CVE-2016-1000031
suse critical CVE-2016-1000031 severity critical: SUSE including 11 source package names (jakarta-commons-fileupload-1.1.1-1.37.3.1, jakarta-commons-fileupload-1.1.1-122.3.1, …), 66 product×package rows across 35 product lines (SUSE Enterprise Storage 4, SUSE Linux Enterprise High Performance Computing 12 SP5, … (35 product lines)): Fixed 60, Known Not Affected 6. https://www.suse.com/security/cve/CVE-2016-1000031/
ubuntu negligible CVE-2016-1000031 negligible priority: Ubuntu including 4 source packages (libcommons-fileupload-java, tomcat6, tomcat7, tomcat8), 20 status rows across 5 suites (precise, trusty, upstream, xenial, yakkety): ignored 12, DNE 4, needs-triage 4. https://ubuntu.com/security/CVE-2016-1000031

NVD evaluator notes for CVE-2016-1000031

Comment: Per Apache: "Having reviewed your report we have concluded that it does not represent a valid vulnerability in Apache Commons File Upload. If an application deserializes data from an untrusted source without filtering and/or validation that is an application vulnerability not a vulnerability in the library a potential attacker might leverage."

Affected software / configurations for CVE-2016-1000031

Vendor Product Version Raw CPE
apache commons_fileupload <= 1.3.2 cpe:2.3:a:apache:commons_fileupload:*:*:*:*:*:*:*:*

References for CVE-2016-1000031

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00036.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/93604 Third Party Advisory VDB Entry
http://www.zerodayinitiative.com/advisories/ZDI-16-570/ Third Party Advisory VDB Entry
https://issues.apache.org/jira/browse/FILEUPLOAD-279 Vendor Advisory
https://issues.apache.org/jira/browse/WW-4812
https://lists.apache.org/thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E
https://lists.apache.org/thread.html/d66657323fd25e437face5e84899c8ca404ccd187e81c3f2fa8b6080%40%3Cannounce.apache.org%3E
https://security.netapp.com/advisory/ntap-20190212-0001/
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.oracle.com/security-alerts/cpujan2020.html
https://www.oracle.com/security-alerts/cpujan2021.html
https://www.oracle.com/security-alerts/cpujul2020.html
https://www.oracle.com/security-alerts/cpujul2022.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.oracle.com/security-alerts/cpuoct2021.html
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
https://www.tenable.com/security/research/tra-2016-12 Third Party Advisory
https://www.tenable.com/security/research/tra-2016-23 Third Party Advisory
https://www.tenable.com/security/research/tra-2016-30 Third Party Advisory
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