CVE-2021-29433CWE-20

Denial of service (via resource exhaustion) due to improper input validation

Medium · published April 15, 2021

CVSS v3.1
4.3
EPSS
1%
Percentile
60.1
In the wild
Unconfirmed
What it is

Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. A patch for the vulnerability is in version 2.3.0. No workarounds are known to exist.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00927 · 60.1th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2021-04-15T17:55Z
EPSS history
Timeline
  • 15 APR 17:55Z
    Denial of service (via resource exhaustion) due to improper input validation
    cvelistv5