云课网络科技有限公司 Yunke Online School System Appadmin.php downfile path traversal

published 2024-09-12 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-49359

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits: 0; none known

A vulnerability was found in 云课网络科技有限公司 Yunke Online School System up to 3.0.6. It has been declared as problematic. This vulnerability affects the function downfile of the file application/admin/controller/Appadmin.php. The manipulation of the argument url leads to path traversal. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-09-12)

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

wiki.shikangsi.com https://wiki.shikangsi.com/post/share/1200e7c6-4514-44e3-980c-298e0b9ccade referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	3.0	4.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

云课网络科技有限公司 Yunke Online School System
yunknet yunke_online_school_system

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

wiki.shikangsi.com /post/share/1200e7c6-4514-44e3-980c-298e0b9ccade
broken-link, exploit
vuldb.com /?id.277216
vdb-entry, technical-description
vuldb.com /?ctiid.277216
signature, permissions-required
vuldb.com /?submit.402917
third-party-advisory

Sources

CVE List CVE-2024-8707
NVD CVE-2024-8707

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary