How severe is CVE-2019-19942?

CVE-2019-19942 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-19942 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19942?

CVE-2019-19942 primarily affects Swisscom Centro Business. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-19942?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-19942 published?

CVE-2019-19942 was published on 2020-03-16 and last updated on 2026-06-17.

CVE-2019-19942

CVE-2019-19942 is a high-severity vulnerability in Swisscom Centro Business with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Swisscom Centro Business
Published: 2020-03-16
Last modified: 2026-06-17

Description

Missing output sanitation in Swisscom Centro Grande Centro Grande before 6.16.12, Centro Business 1.0 (ADB) before 7.10.18, and Centro Business 2.0 before 8.02.04 allows a remote attacker to perform DNS spoofing against the web interface via crafted hostnames in DHCP requests.

Frequently asked questions

What is CVE-2019-19942?: Missing output sanitation in Swisscom Centro Grande Centro Grande before 6.16.12, Centro Business 1.0 (ADB) before 7.10.18, and Centro Business 2.0 before 8.02.04 allows a remote attacker to perform DNS spoofing against the web interface via crafted hostnames in DHCP requests.
How severe is CVE-2019-19942?: CVE-2019-19942 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-19942 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19942?: CVE-2019-19942 primarily affects Swisscom Centro Business. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-19942?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-19942 published?: CVE-2019-19942 was published on 2020-03-16 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:swisscom:centro_grande_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:swisscom:centro_business:*:*:*:*:*:*:*:*

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