veal98 小牛肉 Echo 开源社区系统 Ticket LoginTicketInterceptor.java preHandle improper authorization

published 2025-04-14 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-10881

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits: 0; none known

A vulnerability, which was classified as problematic, was found in veal98 小牛肉 Echo 开源社区系统 4.2. Affected is the function preHandle of the file src/main/java/com/greate/community/controller/interceptor/LoginTicketInterceptor.java of the component Ticket Handler. The manipulation leads to improper authorization. It is possible to launch the attack 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: 18 mo ago (2025-04-14)

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/caigo8/CVE-md/blob/main/Echo/%E4%B8%8D%E5%AE%89%E5%85%A8%E7%9A%84%E6%9D%83%E9%99%90%E6%A0%A1%E9%AA%8C.md 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

veal98 小牛肉 Echo 开源社区系统

Classification

Weakness

CWE-285 Improper Authorization
CWE-266 Incorrect Privilege Assignment

References

github.com /caigo8/CVE-md/blob/main/Echo/%E4%B8%8D%E5%AE%89%E5%85%A8%E7%9A%84%E6%9D%83%E9%99%90%E6%A0%A1%E9%AA%8C.md
exploit
vuldb.com /?id.304608
vdb-entry, technical-description
vuldb.com /?ctiid.304608
signature, permissions-required
vuldb.com /?submit.549537
third-party-advisory

Sources

CVE List CVE-2025-3567
NVD CVE-2025-3567

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