CVE-2023-45690: Default file permissions on South River Technologies' Titan MFT and Titan SFTP servers on Linux allows a user

Q: How do I fix CVE-2023-45690?

titan ftp server: upgrade to newer than 2.0.16.2277; titan mft server: upgrade to 2.0.18. Exact commands for each OS are on this page.

Q: Is CVE-2023-45690 being exploited?

CVE-2023-45690 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-2023-45690 affect?

CVE-2023-45690 affects titan ftp server, titan mft server. Severity is medium (CVSS 4.9). Default file permissions on South River Technologies' Titan MFT and Titan SFTP servers on Linux allows a user that's authentication to the OS to read sensitive files on the filesystem

Q: How urgent is CVE-2023-45690?

Priority 47/100. Public exploit reference; On your watchlist

This month

MEDIUM 4.9WATCHLISTUPGRADEUPGRADE

CVE-2023-45690 is a medium-severity flaw (CVSS 4.9) affecting titan ftp server, titan mft server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Default file permissions on South River Technologies' Titan MFT and Titan SFTP servers on Linux allows a user that's authentication to the OS to read sensitive files on the filesystem

Why this priority

Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	4.9 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.8% (top 21%)
CISA exploited list	No
Weakness	CWE-276
Published	2023-10-16
Last modified	2026-06-17

Publisher (CNA): Rapid7, Inc. · Vendor: southrivertech

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

Am I affected?

Timeline

2023-10-16 17:15 UTCPublished CVE record published
2026-06-17 06:29 UTCUpdated Record last modified

southrivertech titan ftp server UPGRADE

Affected: <= 2.0.16.2277

Fixed in: newer than 2.0.16.2277

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy titan-ftp-server || rpm -q titan-ftp-server || titan-ftp-server --version

2. UPGRADE to newer than 2.0.16.2277 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade titan-ftp-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade titan-ftp-server

Note

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

southrivertech titan mft server UPGRADE

Affected: < 2.0.18

Fixed in: 2.0.18

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy titan-mft-server || rpm -q titan-mft-server || titan-mft-server --version

2. UPGRADE to 2.0.18 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade titan-mft-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade titan-mft-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-2023-45690?

titan ftp server: upgrade to newer than 2.0.16.2277; titan mft server: upgrade to 2.0.18. Exact commands for each OS are on this page.

Is CVE-2023-45690 being exploited?

CVE-2023-45690 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-2023-45690 affect?

CVE-2023-45690 affects titan ftp server, titan mft server. Severity is medium (CVSS 4.9). Default file permissions on South River Technologies' Titan MFT and Titan SFTP servers on Linux allows a user that's authentication to the OS to read sensitive files on the filesystem

How urgent is CVE-2023-45690?

Priority 47/100. Public exploit reference; On your watchlist

Related CVEs

CVE-2023-22629 HIGH 8.8 UPGRADE An issue was discovered in TitanFTP through 1.94.1205
CVE-2022-44215 MEDIUM 6.1 UPGRADE There is an open redirect vulnerability in Titan FTP server 19.0 and below
CVE-2019-10009 MEDIUM 6.5 DOWNGRADE A Directory Traversal issue was discovered in the Web GUI in Titan FTP Server 2019 Build 3505
CVE-2014-1843 MEDIUM 5.0 UPGRADE Directory traversal vulnerability in the web interface in Titan FTP Server before 10.40 build 1829 allows remo
CVE-2014-1842 MEDIUM 5.0 UPGRADE Directory traversal vulnerability in the web interface in Titan FTP Server before 10.40 build 1829 allows remo

References

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