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CVE-2021-31406 (GCVE-0-2021-31406)

Vulnerability from cvelistv5 – Published: 2021-04-23 16:05 – Updated: 2024-09-17 00:02
VLAI
Title
Timing side channel vulnerability in endpoint request handler in Vaadin 15-19
Summary
Non-constant-time comparison of CSRF tokens in endpoint request handler in com.vaadin:flow-server versions 3.0.0 through 5.0.3 (Vaadin 15.0.0 through 18.0.6), and com.vaadin:fusion-endpoint version 6.0.0 (Vaadin 19.0.0) allows attacker to guess a security token for Fusion endpoints via timing attack.
Severity
4 (Medium)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CWE
  • CWE-208 - Information Exposure Through Timing Discrepancy
Assigner
References
Impacted products
Vendor Product Version CPE status
Vaadin Vaadin Affected: 19.0.0
Affected: 15.0.0 , < * (custom)
guessed Create a notification for this product.
Vaadin flow-server Affected: 6.0.0
Affected: 3.0.0 , < * (custom)
guessed Create a notification for this product.
Date Public
2021-03-19 00:00
Credits
This issue was discovered and responsibly reported by Xhelal Likaj.
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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