CVE-2023-23169: Synapsoft pdfocus 1.17 is vulnerable to local file inclusion and server-side request forgery Directory Travers

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MEDIUM 6.5DOWNGRADE

CVE-2023-23169 is a medium-severity flaw (CVSS 6.5) affecting pdfocus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Synapsoft pdfocus 1.17 is vulnerable to local file inclusion and server-side request forgery Directory Traversal.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-22, CWE-918
Published	2023-05-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: synapsoft

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

Am I affected?

Timeline

2023-05-12 11:15 UTCPublished CVE record published
2026-06-17 05:36 UTCUpdated Record last modified

synapsoft pdfocus DOWNGRADE

Affected: 1.17

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.17

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.17 (Debian / Ubuntu)

apt-cache madison pdfocus sudo apt install pdfocus=<VERSION_BEFORE_1.17> sudo apt-mark hold pdfocus

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list pdfocus sudo dnf downgrade pdfocus-<VERSION_BEFORE_1.17> sudo dnf versionlock add pdfocus

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2023-23169?

pdfocus: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-23169 being exploited?

CVE-2023-23169 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-2023-23169 affect?

CVE-2023-23169 affects pdfocus. Severity is medium (CVSS 6.5). Synapsoft pdfocus 1.17 is vulnerable to local file inclusion and server-side request forgery Directory Traversal.

How urgent is CVE-2023-23169?

Priority 43/100. Public exploit reference

References

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