SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-32455

SITEL CAP/PRX firmware version 5.2.01, allows an attacker with access to the device´s network to cause a denial of service condition on the device.

MEDIUM 6.5EPSS 0.36%

Does this matter?

Lower severity and a low EPSS score (0.36%). Track it; it rarely justifies an emergency change on its own.

Description

SITEL CAP/PRX firmware version 5.2.01, allows an attacker with access to the device´s network to cause a denial of service condition on the device. An attacker could exploit this vulnerability by sending HTTP requests massively.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.36% probability · 29th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-400
Affected
sitel-sa/cap\/prx firmware
Source
cve-coordination@incibe.es
EPSS trend
0%3%5%26 October 2026: 0.36%26 October 202626 October 2026

EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.