How severe is CVE-2019-19251?

CVE-2019-19251 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-19251 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19251?

CVE-2019-19251 affects Last.fm Last.fm Desktop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19251?

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

When was CVE-2019-19251 published?

CVE-2019-19251 was published on 2019-12-10 and last updated on 2026-06-17.

CVE-2019-19251

CVE-2019-19251 is a medium-severity vulnerability in Last.fm Last.fm Desktop with a CVSS 3.x base score of 5.3. 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 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Last.fm Last.fm Desktop
Published: 2019-12-10
Last modified: 2026-06-17

Description

The Last.fm desktop app (Last.fm Scrobbler) through 2.1.39 on macOS makes HTTP requests that include an API key without the use of SSL/TLS. Although there is an Enable SSL option, it is disabled by default, and cleartext requests are made as soon as the app starts.

Frequently asked questions

What is CVE-2019-19251?: The Last.fm desktop app (Last.fm Scrobbler) through 2.1.39 on macOS makes HTTP requests that include an API key without the use of SSL/TLS. Although there is an Enable SSL option, it is disabled by default, and cleartext requests are made as soon as the app starts.
How severe is CVE-2019-19251?: CVE-2019-19251 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-19251 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19251?: CVE-2019-19251 affects Last.fm Last.fm Desktop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19251?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-19251 published?: CVE-2019-19251 was published on 2019-12-10 and last updated on 2026-06-17.

References

https://getsatisfaction.com/lastfm/topics/why-doesnt-the-macos-client-enable-ssl-by-default-c1nh5k1s054ak

Affected products (1)

cpe:2.3:a:last.fm:last.fm_desktop:*:*:*:*:*:macos:*:*

Other CWE-319 (Cleartext Transmission of Sensitive Information) vulnerabilities

CVE-2025-4378 — Critical (CVSS 10.0): Cleartext Transmission of Sensitive Information, Use of Hard-coded Credentials vulnerability in Ataturk University…
CVE-2025-47419 — Critical (CVSS 10.0): Cleartext Transmission of Sensitive Information vulnerability in Crestron Automate VX allows Sniffing Network…
CVE-2026-48902 — Critical (CVSS 9.8): The password and username reset features created plain http links for https connections if the "Force SSL" flag wasn't…
CVE-2025-34271 — Critical (CVSS 9.8): Nagios Log Server versions prior to 2024R2.0.2 contain a vulnerability in the cluster manager component when…
CVE-2025-32880 — Critical (CVSS 9.8): An issue was discovered on COROS PACE 3 devices through 3.0808.0. It implements a function to connect the watch to a…
CVE-2025-26199 — Critical (CVSS 9.8): CloudClassroom-PHP-Project v1.0 is affected by an insecure credential transmission vulnerability. The application…

Browse all CWE-319 (Cleartext Transmission of Sensitive Information) vulnerabilities →