CVE-2024-35591: An arbitrary file upload vulnerability in O2OA v8.3.8 allows attackers to execute arbitrary code via uploading

Routine

MEDIUM 5.4MITIGATE

CVE-2024-35591 is a medium-severity flaw (CVSS 5.4) affecting o2oa. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An arbitrary file upload vulnerability in O2OA v8.3.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-05-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: zoneland

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

Am I affected?

Timeline

2024-05-24 14:15 UTCPublished CVE record published
2026-06-17 07:35 UTCUpdated Record last modified

zoneland o2oa MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy o2oa || rpm -q o2oa || o2oa --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2024-35591?

o2oa: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-35591 being exploited?

CVE-2024-35591 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-2024-35591 affect?

CVE-2024-35591 affects o2oa. Severity is medium (CVSS 5.4). An arbitrary file upload vulnerability in O2OA v8.3.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.

How urgent is CVE-2024-35591?

Priority 33/100. Public exploit reference

Related CVEs

CVE-2025-9680 LOW 3.5 UPGRADE A vulnerability was detected in O2OA up to 10.0-410
CVE-2025-9681 LOW 3.5 UPGRADE A flaw has been found in O2OA up to 10.0-410
CVE-2025-9682 LOW 3.5 UPGRADE A vulnerability has been found in O2OA up to 10.0-410
CVE-2025-9683 LOW 3.5 UPGRADE A vulnerability was found in O2OA up to 10.0-410
CVE-2025-9715 LOW 3.5 UPGRADE A vulnerability was found in O2OA up to 10.0-410

References

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