Path Traversal in Pisignage

CVE-2019-20354

The web application component of piSignage before 2.6.4 allows a remote attacker (authenticated as a low-privilege user) to download arbitrary files from the Raspberry Pi via api/settings/log?file=../ path traversal. In other words, this issue is in the player API for log download.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.088 (94.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-20354?
CVE-2019-20354 is a medium-severity vulnerability in Pisignage, classified under Path Traversal. CVSS score: 4.3/10. Published 2020-01-06.
How severe is CVE-2019-20354?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2019-20354 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.