CVE-2019-20354: The web application component of piSignage before 2.6.4 allows a remote attacker (authenticated as a low-privi

Q: How do I fix CVE-2019-20354?

pisignage: upgrade to 2.6.4. Exact commands for each OS are on this page.

Q: Is CVE-2019-20354 being exploited?

CVE-2019-20354 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-20354 affect?

CVE-2019-20354 affects pisignage. Severity is medium (CVSS 4.3). 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 is

Q: How urgent is CVE-2019-20354?

Priority 44/100. EPSS top 5%: very likely to be exploited; Public exploit reference

This week

MEDIUM 4.3UPGRADE

CVE-2019-20354 is a medium-severity flaw (CVSS 4.3) affecting pisignage. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

EPSS top 5%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	8.8% (top 5%)
CISA exploited list	No
Weakness	CWE-22
Published	2020-01-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: pisignage

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-01-06 06:15 UTCPublished CVE record published
2026-06-17 02:30 UTCUpdated Record last modified

pisignage pisignage UPGRADE

Affected: < 2.6.4

Fixed in: 2.6.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pisignage || rpm -q pisignage || pisignage --version

2. UPGRADE to 2.6.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pisignage

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pisignage

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: piSignage 2.6.4 - Directory Traversal

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-20354?

pisignage: upgrade to 2.6.4. Exact commands for each OS are on this page.

Is CVE-2019-20354 being exploited?

CVE-2019-20354 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-20354 affect?

CVE-2019-20354 affects pisignage. Severity is medium (CVSS 4.3). 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 is

How urgent is CVE-2019-20354?

Priority 44/100. EPSS top 5%: very likely to be exploited; Public exploit reference

References

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