STVS ProVision Cross-Site Request Forgery (Add Admin)

published 2025-12-09 10 mo ago modified 2026-07-28 3 mo ago also EUVD-2021-34725

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits: 0; none known

STVS ProVision 5.9.10 contains a cross-site request forgery vulnerability that allows attackers to perform actions with administrative privileges by exploiting unvalidated HTTP requests. Attackers can visit malicious web sites to trigger the forge request, allowing them to create new admin users.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 10 mo ago (2025-12-12)

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

exploit-db.com https://www.exploit-db.com/exploits/49482 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

STVS SA STVS ProVision

Classification

Weakness

CWE-352 Cross-Site Request Forgery

References

exploit-db.com /exploits/49482
exploit, technical-description
stvs.ch
product
zeroscience.mk /en/vulnerabilities/ZSL-2021-5625.php
third-party-advisory
vulncheck.com /advisories/stvs-provision-cross-site-request-forgery-add-admin
third-party-advisory

Sources

CVE List CVE-2021-47723
NVD CVE-2021-47723

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary