CVE-2023-35801: A directory traversal vulnerability in Safe Software FME Server before 2022.2.5 allows an attacker to bypass v

Q: How do I fix CVE-2023-35801?

fme server: upgrade to 2022.2.5. Exact commands for each OS are on this page.

Q: Is CVE-2023-35801 being exploited?

CVE-2023-35801 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-2023-35801 affect?

CVE-2023-35801 affects fme server. Severity is high (CVSS 8.1). A directory traversal vulnerability in Safe Software FME Server before 2022.2.5 allows an attacker to bypass validation when editing a network-based resource connection, resulting in the unauthorized reading and writing of arbitrary files.

This month

HIGH 8.1UPGRADE

CVE-2023-35801 is a high-severity flaw (CVSS 8.1) affecting fme server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A directory traversal vulnerability in Safe Software FME Server before 2022.2.5 allows an attacker to bypass validation when editing a network-based resource connection, resulting in the unauthorized reading and writing of arbitrary files. Successful exploitation requires an attacker to have access to a user account with write privileges. FME Flow 2023.0 is also a fixed version.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-06-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: safe

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

Am I affected?

Timeline

2023-06-23 06:15 UTCPublished CVE record published
2026-06-17 06:05 UTCUpdated Record last modified

safe fme server UPGRADE

Affected: < 2022.2.5

Fixed in: 2022.2.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fme-server || rpm -q fme-server || fme-server --version

2. UPGRADE to 2022.2.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fme-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fme-server

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-2023-35801?

fme server: upgrade to 2022.2.5. Exact commands for each OS are on this page.

Is CVE-2023-35801 being exploited?

CVE-2023-35801 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-2023-35801 affect?

CVE-2023-35801 affects fme server. Severity is high (CVSS 8.1). A directory traversal vulnerability in Safe Software FME Server before 2022.2.5 allows an attacker to bypass validation when editing a network-based resource connection, resulting in the unauthorized reading and writing of arbitrary files.

How urgent is CVE-2023-35801?

Priority 47/100. High severity

Related CVEs

CVE-2022-38342 HIGH 8.5 UPGRADE Safe Software FME Server v2021.2.5, v2022.0.0.2 and below was discovered to contain a XML External Entity (XXE
CVE-2022-38341 HIGH 7.1 UPGRADE Safe Software FME Server v2021.2.5 and below does not employ server-side validation.
CVE-2022-38340 CRITICAL 9.1 UPGRADE Safe Software FME Server v2021.2.5, v2022.0.0.2 and below was discovered to contain a Path Traversal vulnerabi
CVE-2022-38339 CRITICAL 9.6 UPGRADE Safe Software FME Server v2021.2.5, v2022.0.0.2 and below contains a cross-site scripting (XSS) vulnerability

References

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