How severe is CVE-2018-19120?

CVE-2018-19120 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 high, integrity none, and availability none.

Is CVE-2018-19120 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19120?

CVE-2018-19120 affects Kde Kde Applications. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19120?

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-2018-19120 published?

CVE-2018-19120 was published on 2018-11-29 and last updated on 2026-06-17.

CVE-2018-19120

CVE-2018-19120 is a high-severity vulnerability in Kde Kde Applications 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Kde Kde Applications
Published: 2018-11-29
Last modified: 2026-06-17

Description

The HTML thumbnailer plugin in KDE Applications before 18.12.0 allows attackers to trigger outbound TCP connections to arbitrary IP addresses, leading to disclosure of the source IP address.

Frequently asked questions

What is CVE-2018-19120?: The HTML thumbnailer plugin in KDE Applications before 18.12.0 allows attackers to trigger outbound TCP connections to arbitrary IP addresses, leading to disclosure of the source IP address.
How severe is CVE-2018-19120?: CVE-2018-19120 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 high, integrity none, and availability none.
Is CVE-2018-19120 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19120?: CVE-2018-19120 affects Kde Kde Applications. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19120?: 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-2018-19120 published?: CVE-2018-19120 was published on 2018-11-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kde:kde_applications:*:*:*:*:*:*:*:*

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