Titan FTP Server Nextgen: Origin Validation Error
CVE-2023-27745 is a high-severity origin validation error vulnerability in Titan FTP Server Nextgen from Southrivertech, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. The record lists version 2.0.1.2102 as the first without the flaw, so updating Titan FTP Server Nextgen to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.46% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Titan FTP Server Nextgen to 2.0.1.2102 or a later version.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Southrivertech | Titan FTP Server Nextgen | before 2.0.1.2102 | 2.0.1.2102 |
Version data comes from NVD's product matching. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 8.8 | High | NVD |
| CVSS 3.1 | 8.8 | High | CISA (ADP) |
Official description
An issue in South River Technologies TitanFTP Before v2.0.1.2102 allows attackers with low-level privileges to perform Administrative actions by sending requests to the user server.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Origin Validation Error
The product does not properly verify that the source of data or communication is valid.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Patches and release notes
Technical write-ups (may include proof of concept)
- whiteoaksecurity.com/blog/titanftp-vulnerability-disclosure/Exploit, Third Party Advisory
Other vulnerabilities in Titan FTP Server Nextgen
- 7.8 High severity
- 7.8 High severity
- 9.8 Critical severity
Recent Origin Validation Error vulnerabilities
- 7.1 High severity
- 8.8 High severity
- 7.5 High severity
- 9.8 Critical severity
- 7.5 High severity
- 7.5 High severity
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