What is CVE-2020-25266?

CVE-2020-25266 is a medium-severity vulnerability in Appimage Appimaged, classified under Download of Code Without Integrity Check. CVSS score: 5.5/10. Published 2020-12-02.

How severe is CVE-2020-25266?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2020-25266 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Appimage Appimaged

CVE-2020-25266

AppImage appimaged before 1.0.3 does not properly check whether a downloaded file is a valid appimage. For example, it will accept a crafted mp3 file that contains an appimage, and install it.

EPSS: 0.003 (26.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Appimage Appimaged
N/a — versions n/a

Weakness classification (CWE)

CWE-494 — Download of Code Without Integrity Check

Public proof-of-concept exploits

refi64/CVE-2020-25265-25266

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-25266?: CVE-2020-25266 is a medium-severity vulnerability in Appimage Appimaged, classified under Download of Code Without Integrity Check. CVSS score: 5.5/10. Published 2020-12-02.
How severe is CVE-2020-25266?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2020-25266 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.