RCE in Totvs Rm
CVE-2023-4709
A vulnerability classified as problematic has been found in TOTVS RM 12.1. Affected is an unknown function of the file Login.aspx of the component Portal. The manipulation of the argument VIEWSTATE leads to cross site scripting. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. It is possible to mitigate the problem by applying the configuration setting <pages validateRequest="true" [...] viewStateEncryptionMode="Always" />. It is recommended to change the configuration settings. The vendor was initially contacted early about this disclosure but did not respond in any way. In a later statement he explains, that "the behavior described [...] is related to specific configurations that are not part of the default application setup. In standard production environments, the relevant feature (VIEWSTATE) is disabled by default, which effectively mitigates the risk of exploitation."
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (31.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Totvs Rm — versions 12.1
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry, mitigation)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry, Third Party Advisory)
- vuldb.com/ (third-party-advisory)
- tdn.totvs.com/pages/releaseview.action (related)
Frequently asked questions
- What is CVE-2023-4709?
- CVE-2023-4709 is a low-severity vulnerability in Totvs Rm, classified under Cross-site Scripting. CVSS score: 3.1/10. Published 2023-09-01.
- How severe is CVE-2023-4709?
- Low severity. CVSS v3 base score is 3.1 out of 10.