Loading HuntDB...
Hunt
Vulnerability Intelligence by wss.sh
Home Daily Briefings High Impact CVEs Recent Exploits KEV Catalog GitHub Advisories Latest Updates Security News
Sign In Sign Up

CVE-2021-31404

MEDIUM
Published 2021-04-23T16:05:41.141706Z
Actions:

Expert Analysis

Professional remediation guidance

Get tailored security recommendations from our analyst team for CVE-2021-31404. We'll provide specific mitigation strategies based on your environment and risk profile.

CVSS Score

V3.1
4.0
/10
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.138
Higher than 13.8% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
NONE

Description

Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.13 (Vaadin 10.0.0 through 10.0.16), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.4.6 (Vaadin 14.0.0 through 14.4.6), 3.0.0 prior to 5.0.0 (Vaadin 15 prior to 18), and 5.0.0 through 5.0.2 (Vaadin 18.0.0 through 18.0.5) allows attacker to guess a security token via timing attack.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Vaadin

Vaadin

Affected Versions:

10.0.0
Vaadin

flow-server

Affected Versions:

1.0.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Timing side channel vulnerability in UIDL request handler in Vaadin 10, 11-14, and 15-18

GHSA-xwg3-qrcg-w9x6

Advisory Details

Non-constant-time comparison of CSRF tokens in UIDL request handler in `com.vaadin:flow-server` versions 1.0.0 through 1.0.13 (Vaadin 10.0.0 through 10.0.16), 1.1.0 prior to 2.0.0 (Vaadin 11 through 13), 2.0.0 through 2.4.6 (Vaadin 14.0.0 through 14.4.6), 3.0.0 prior to 5.0.0 (Vaadin 15 prior to 18), and 5.0.0 through 5.0.2 (Vaadin 18.0.0 through 18.0.5) allows attacker to guess a security token via timing attack. - https://vaadin.com/security/cve-2021-31404

Affected Packages

Maven com.vaadin:flow-server
ECOSYSTEM: ≥1.0.0 <1.0.14
Maven com.vaadin:flow-server
ECOSYSTEM: ≥1.1.0 <2.4.7
Maven com.vaadin:flow-server
ECOSYSTEM: ≥3.0.0 <5.0.3

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

References

WEB https://github.com/vaadin/flow/security/advisories/GHSA-xwg3-qrcg-w9x6
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-31404
WEB https://github.com/vaadin/flow/pull/9875
WEB https://vaadin.com/security/cve-2021-31404

Advisory provided by GitHub Security Advisory Database. Published: April 19, 2021, Modified: April 23, 2021

References

https://vaadin.com/security/cve-2021-31404
https://github.com/vaadin/flow/pull/9875
Published: 2021-04-23T16:05:41.141706Z
Last Modified: 2024-09-16T23:46:26.136Z
Copied to clipboard!