Vaadin vulnerable to possible information disclosure of class and method names in RPC response

published 2023-06-22 3 y ago modified 2026-09-14 55 d ago also GHSA-ch48-9r3q-pv7x , EUVD-2023-1775

cvss: 3.5; 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 44%
public exploits: 0; none known

Possible information disclosure in Vaadin 10.0.0 to 10.0.23, 11.0.0 to 14.10.1, 15.0.0 to 22.0.28, 23.0.0 to 23.3.13, 24.0.0 to 24.0.6, 24.1.0.alpha1 to 24.1.0.rc2, resulting in potential information disclosure of class and method names in RPC responses by sending modified requests.

Patch / fix

fixed in 3 links 1

maven com.vaadin:flow-server 1.0.21, 2.9.3, 9.1.2, 23.3.13, 24.0.9, 24.1.0
maven com.vaadin:vaadin 10.0.24, 14.10.2, 22.1.0, 23.3.14, 24.0.7, 24.1.0
vaadin vaadin 10.0.23, 14.10.2, 23.3.14, 24.0.7

github.com/vaadin/flow#16935 pull request

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-12-05)

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
NVD	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
GitHub	3.1	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	com.vaadin:flow-server	>=1.0.0, <1.0.21 >=1.1.0, <2.9.3 >=3.0.0, <9.1.2 >=23.0.0, <23.3.13 >=24.0.0, <24.0.9 >=24.1.alpha1, <24.1.0	1.0.21 2.9.3 9.1.2 23.3.13 24.0.9 24.1.0
maven	com.vaadin:vaadin	>=10.0.0, <10.0.24 >=11.0.0, <14.10.2 >=15.0.0, <22.1.0 >=23.0.0, <23.3.14 >=24.0.0, <24.0.7 >=24.1.0.alpha1, <24.1.0	10.0.24 14.10.2 22.1.0 23.3.14 24.0.7 24.1.0

Affected products

vaadin vaadin
flow flow-server

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-1295 Debug Messages Revealing Unnecessary Information

References

github.com /vaadin/flow/pull/16935
web, patch
vaadin.com /security/cve-2023-25500
web, vendor-advisory
github.com /vaadin/platform/security/advisories/GHSA-ch48-9r3q-pv7x
web
nvd.nist.gov /vuln/detail/CVE-2023-25500
advisory
github.com /vaadin/platform
package

Sources

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