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CVE-2022-27906: Mendelson OFTP2 before 1.1 b43 is affected by directory traversal

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MEDIUM 5.9REMOTEUPGRADE

CVE-2022-27906 is a medium-severity flaw (CVSS 5.9) affecting oftp2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mendelson OFTP2 before 1.1 b43 is affected by directory traversal. To access the vulnerable code path, the attacker has to know one of the configured Odette IDs of the OFTP2 server. An attacker can upload files to the server outside of the intended upload directory.

Why this priority

  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score5.9 (Medium)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededNone
User interactionNone
EPSS exploit chance1.1% (top 35%)
CISA exploited listNo
WeaknessCWE-22
Published2022-03-25
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: mendelson

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

Am I affected?

Timeline

mendelson oftp2 UPGRADE
Affected: < 1.1b43
Fixed in: 1.1b43
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy oftp2 || rpm -q oftp2 || oftp2 --version
2. UPGRADE to 1.1b43 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade oftp2
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade oftp2
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2022-27906?

oftp2: upgrade to 1.1b43. Exact commands for each OS are on this page.

Is CVE-2022-27906 being exploited?

CVE-2022-27906 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-2022-27906 affect?

CVE-2022-27906 affects oftp2. Severity is medium (CVSS 5.9). Mendelson OFTP2 before 1.1 b43 is affected by directory traversal. To access the vulnerable code path, the attacker has to know one of the configured Odette IDs of the OFTP2 server. An attacker can upload files to the server outside of the

How urgent is CVE-2022-27906?

Priority 42/100. Remotely exploitable, no login, no user action

References

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