How severe is CVE-2021-32456?

CVE-2021-32456 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-32456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32456?

CVE-2021-32456 affects Sitel-sa Remote Cap/prx Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32456?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-32456 published?

CVE-2021-32456 was published on 2021-05-17 and last updated on 2026-06-17.

CVE-2021-32456

CVE-2021-32456 is a medium-severity vulnerability in Sitel-sa Remote Cap/prx Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Sitel-sa Remote Cap/prx Firmware
Published: 2021-05-17
Last modified: 2026-06-17

Description

SITEL CAP/PRX firmware version 5.2.01 allows an attacker with access to the local network of the device to obtain the authentication passwords by analysing the network traffic.

Frequently asked questions

What is CVE-2021-32456?: SITEL CAP/PRX firmware version 5.2.01 allows an attacker with access to the local network of the device to obtain the authentication passwords by analysing the network traffic.
How severe is CVE-2021-32456?: CVE-2021-32456 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-32456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32456?: CVE-2021-32456 affects Sitel-sa Remote Cap/prx Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-32456 published?: CVE-2021-32456 was published on 2021-05-17 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso-sci/sitel-capprx-cleartext-transmission-sensitive-information

Affected products (1)

cpe:2.3:o:sitel-sa:remote_cap\/prx_firmware:5.2.01:*:*:*:*:*:*:*

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