Unrestricted file upload vulnerability in the avatar upload functionality in Simple Machines Forum before 2.0.6 and 2.1 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in an unspecified directory.
CVE-2013-4465
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 81.8%
- KEV
- Not listed
Published
October 25, 2013
Last Modified
April 29, 2026
References (10)
- secalert@redhathttp://download.simplemachines.org/index.php?thanks%3Bfilename=smf_2-0-6_changelog.txt
- secalert@redhathttp://www.openwall.com/lists/oss-security/2013/10/23/6
- secalert@redhathttp://www.openwall.com/lists/oss-security/2013/10/25/3
- secalert@redhathttp://www.securityfocus.com/bid/63275
- secalert@redhathttps://github.com/SimpleMachines/SMF2.1/issues/701
- af854a3a-2127-422b-91ae-364da2661108http://download.simplemachines.org/index.php?thanks%3Bfilename=smf_2-0-6_changelog.txt
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/10/23/6
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/10/25/3
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/63275
- af854a3a-2127-422b-91ae-364da2661108https://github.com/SimpleMachines/SMF2.1/issues/701
Data Freshness Timeline
(refreshed 8× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:41 UTCEPSS rescore
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- 2026-06-18 17:49 UTCEPSS rescore
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- 2026-05-28 21:50 UTCEG score recompute
- 2026-05-28 21:50 UTCGHSA enrichment
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- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2013-4465?
CVE-2013-4465 is a none vulnerability published on October 25, 2013. Unrestricted file upload vulnerability in the avatar upload functionality in Simple Machines Forum before 2.0.6 and 2.1 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in an unspecified…
When was CVE-2013-4465 disclosed?
CVE-2013-4465 was first published in the National Vulnerability Database on October 25, 2013, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2013-4465 actively exploited?
CVE-2013-4465 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2013-4465?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-4465, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2013-4465
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