CVE-2021-31403CWE-208

Timing side channel vulnerability in UIDL request handler in Vaadin 7 and 8

Medium · published April 23, 2021

CVSS v3.1
4.0
EPSS
0%
Percentile
22.1
In the wild
Unconfirmed
What it is

Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:vaadin-server versions 7.0.0 through 7.7.23 (Vaadin 7.0.0 through 7.7.23), and 8.0.0 through 8.12.2 (Vaadin 8.0.0 through 8.12.2) allows attacker to guess a security token via timing attack

The record
Technical detail
CVSS v3.1
4.0 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00306 · 22.1th percentile
Weakness
CWE-208 · Observable Timing Discrepancy
Published
2021-04-23T16:05Z
EPSS history
Timeline
  • 23 APR 16:05Z
    Timing side channel vulnerability in UIDL request handler in Vaadin 7 and 8
    cvelistv5