How severe is CVE-2019-12942?

CVE-2019-12942 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 none, integrity high, and availability none.

Is CVE-2019-12942 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12942?

CVE-2019-12942 affects Ttlock. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12942?

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

When was CVE-2019-12942 published?

CVE-2019-12942 was published on 2019-09-10 and last updated on 2026-06-17.

CVE-2019-12942

CVE-2019-12942 is a medium-severity vulnerability in Ttlock 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Ttlock
Published: 2019-09-10
Last modified: 2026-06-17

Description

TTLock devices do not properly block guest access in certain situations where the network connection to the cloud is unavailable.

Frequently asked questions

What is CVE-2019-12942?: TTLock devices do not properly block guest access in certain situations where the network connection to the cloud is unavailable.
How severe is CVE-2019-12942?: CVE-2019-12942 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 none, integrity high, and availability none.
Is CVE-2019-12942 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12942?: CVE-2019-12942 affects Ttlock. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12942?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-12942 published?: CVE-2019-12942 was published on 2019-09-10 and last updated on 2026-06-17.

References

https://www.kth.se/polopoly_fs/1.923565.1568098364%21/Vulnerability_Report_TTLock_State_Consistency.pdf

Affected products (1)

cpe:2.3:a:ttlock:ttlock:-:*:*:*:*:*:*:*

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