CVE-2020-12755

fishProtocol::establishConnection in fish/fish.cpp in KDE kio-extras through 20.04.0 makes a...

3.3 LowFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.37%Unchanged since Apr 14, 2021

What each source reports

NVD Score used 3.3

Record: CVE-2020-12755
CVSS 3.1: 3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-12755
Updated: 2026-11-02

EUVDEUVD-2020-5043 No score

Record: EUVD-2020-5043
Updated: 2026-11-03

GitHub AdvisoriesGHSA-6qhj-5898-8677 No score

fishProtocol::establishConnection in fish/fish.cpp in KDE kio-extras through 20.04.0 makes a...

Record: GHSA-6qhj-5898-8677
Weakness: CWE-200
Updated: 2026-11-02

OSV 3.3

Record: CVE-2020-12755
CVSS 3.1: 3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2020-12755 3.3

Record: DEBIAN-CVE-2020-12755
CVSS 3.1: 3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2020-12755 3.3

Record: UBUNTU-CVE-2020-12755
CVSS 3.1: 3.3 LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

OSVMGASA-2020-0371 No score

Updated kio-extras packages fix security vulnerability

Record: MGASA-2020-0371
Updated: 2026-11-02

Affected products

kde kio-extras

Affected packages

Affected packages
Package	Affected	Fixed
`kio-extras` Debian:12	before 4:20.08.3-1	4:20.08.3-1
`kio-extras` Debian:13	before 4:20.08.3-1	4:20.08.3-1
`kio-extras` Debian:14	before 4:20.08.3-1	4:20.08.3-1
`kio-extras` Mageia:7	before 19.04.0-1.1.mga7	19.04.0-1.1.mga7
`kio-extras` Ubuntu:16.04:LTS	All versions, plus listed versions 4:15.08.2-0ubuntu14:15.12.1-1ubuntu14:15.12.3-0ubuntu1	None known
`kio-extras` Ubuntu:18.04:LTS	All versions, plus listed versions 4:17.04.3-0ubuntu14:17.08.3-0ubuntu14:17.12.2-0ubuntu14:17.12.3-0ubuntu14:17.12.3-0ubuntu2	None known
`kio-extras` Ubuntu:20.04:LTS	All versions, plus listed versions 4:19.04.3-0ubuntu14:19.08.1-14:19.08.3-0ubuntu14:19.08.3-0ubuntu24:19.12.0-0ubuntu1 Show 4 moreShow less 4:19.12.1-0ubuntu14:19.12.2-0ubuntu14:19.12.3a-0ubuntu14:19.12.3a-0ubuntu2	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-12755 is a low vulnerability (CVSS 3.3) in Kde Kio-extras, published May 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. Fixed in kio-extras 4:20.08.3-1.