CVE-2009-4451 — Unrestricted file upload vulnerability in upper.php in kandalf upper 0.1 allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in fileup/

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MEDIUM

Unrestricted file upload vulnerability in upper.php in kandalf upper 0.1 allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in fileup/

Published Dec 29, 2009

6.8

MEDIUM

CVSS 2.0

EPSS 3.34%

Description

Unrestricted file upload vulnerability in upper.php in kandalf upper 0.1 allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in fileup/.

Affected products

Remediation

No remediation recorded yet.

Metrics

3.34% 0.03336

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.03336

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	3.34% (0.03336)	88.25th	v5 (v2026.06.15)
Jun 15, 2026	3.34% (0.03336)	87.02th	v5 (v2026.06.15)
Mar 29, 2025	3.81% (0.03808)	79.94th	v4 (v2025.03.14)
Mar 17, 2025	2.26% (0.02264)	83.47th	v4 (v2025.03.14)
Dec 12, 2024	1.98% (0.01984)	89.27th	v3 (v2023.03.01)
Apr 2, 2024	1.98% (0.01984)	88.56th	v3 (v2023.03.01)
Mar 7, 2023	2.19% (0.02193)	87.63th	v3 (v2023.03.01)
Mar 6, 2023	7.44% (0.07437)	92.66th	v2 (v2022.01.01)
Apr 1, 2022	7.44% (0.07437)	91.94th	v2 (v2022.01.01)
Feb 4, 2022	7.44% (0.07437)	80.87th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

http://osvdb.org/61370
vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/37946
third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://www.exploit-db.com/exploits/10672
exploitx_refsource_EXPLOIT-DB

Link	Providers	Tags
http://osvdb.org/61370		vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/37946		third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://www.exploit-db.com/exploits/10672		exploitx_refsource_EXPLOIT-DB

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Dec 29, 2009

Updated Aug 7, 2024

Reserved Dec 29, 2009

Link CVE-2009-4451

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2009-4451

Red Hat

Severity n/a

Public date n/a

Links CVE-2009-4451