CMS: Direct Request
CVE-2023-1682 is a high-severity direct request vulnerability in CMS from Xunrui, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected CMS versions: 4.61. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.69% chance of exploitation within 30 days, higher than 53% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of CMS you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
Version data comes from the organisation that assigned the CVE. 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
- NoneNo account or login is needed.
- 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
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 4.3 | Medium | CNA (vuldb.com) |
| CVSS 3.1 | 7.5 | High | NVD |
| CVSS 2.0 | 4.0 | Medium | CNA (vuldb.com) |
Official description
A vulnerability has been found in Xunrui CMS 4.61 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /dayrui/My/Config/Install.txt. The manipulation leads to direct request. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-224239.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Direct Request
The web application does not adequately enforce appropriate authorization on all restricted URLs, scripts, or files.
How developers prevent this class of flaw
- Apply appropriate access control authorizations for each access to all restricted URLs, scripts or files.
- Consider using MVC based frameworks such as Struts.
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- vuldb.com/?ctiid.224239Permissions Required, Third Party Advisory
- vuldb.com/?id.224239Third Party Advisory
Technical write-ups (may include proof of concept)
- github.com/2714925725/CMS-bug/blob/main/Informationdisclosure-1.mdExploit, Third Party Advisory
Other vulnerabilities in CMS
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
Recent Direct Request vulnerabilities
- 8.8 High severity
- 7.5 High severity
- 7.5 High severity
- 9.1 Critical severity
- 8.0 High severity
- 7.5 High severity
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