What is CVE-2020-12755?

CVE-2020-12755 is a low-severity vulnerability in KDE Kio-Extras. CVSS score: 3.3/10. Published 2020-05-09.

How severe is CVE-2020-12755?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in KDE Kio-Extras

CVE-2020-12755

fishProtocol::establishConnection in fish/fish.cpp in KDE kio-extras through 20.04.0 makes a cacheAuthentication call even if the user had not set the keepPassword option. This may lead to unintended KWallet storage of a password.

Published 2020-05-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

KDE Kio-Extras

References

commits.kde.org/kio-extras/d813cef3cecdec9af1532a40d677a203ff979145 (Patch, Mailing List, Vendor Advisory)

Frequently asked questions

What is CVE-2020-12755?: CVE-2020-12755 is a low-severity vulnerability in KDE Kio-Extras. CVSS score: 3.3/10. Published 2020-05-09.
How severe is CVE-2020-12755?: Low severity. CVSS v3 base score is 3.3 out of 10.