SiteVision 4 has Incorrect Access Control.

published 2019-12-06 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4323

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.1%; EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits: 0; none known

Patch / fix

fixed in 1

sitevision sitevision 4.5.6, 5.1.1

Exploit prediction

2.08% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

cybercom.com https://www.cybercom.com/contentassets/ac929be030744b8e92dc6e457fdb7dcc/sitevision-disclosure-insufficient-access-control.pdf referenced PoC, tagged "exploit" by a source, unverified
seclists.org http://seclists.org/fulldisclosure/2019/Dec/13 referenced PoC, tagged "exploit" by a source, unverified
seclists.org http://seclists.org/fulldisclosure/2019/Dec/12 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

CWE-862 Missing Authorization

References

cybercom.com /contentassets/ac929be030744b8e92dc6e457fdb7dcc/sitevision-disclosure-insufficient-access-control.pdf
exploit, third-party-advisory
seclists.org /fulldisclosure/2019/Dec/13
mailing-list, exploit, third-party-advisory
seclists.org /fulldisclosure/2019/Dec/12
mailing-list, exploit, third-party-advisory
cybercom.com /About-Cybercom/Blogs/Security-Advisories/high-risk-vulnerabilities-in-cms-product/
third-party-advisory
packetstormsecurity.com /files/155584/SiteVision-4.x-5.x-Insufficient-Module-Access-Control.html
third-party-advisory, vdb-entry
sitevision.se /
product

Sources

CVE List CVE-2019-12734
NVD CVE-2019-12734

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