MEDIUM
CVE-2020-12527
CWE-269Published: March 2, 2021· Updated: Jun 17, 2026
6.5
CVSS v3.1
Official Description
An issue was discovered in MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2. Improper access validation allows a logged in user to shutdown or reboot devices in his account without having corresponding permissions.
Technical Analysis
CVE-2020-12527 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
helmholz2 product(s)
myrex24myrex24.virtual
mbconnectline2 product(s)
mbconnect24mymbconnect24
Source: NVD CPE · 4 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
https://cert.vde.com/en/advisories/VDE-2021-003Third Party Advisory
→
https://cert.vde.com/en/advisories/VDE-2022-039Third Party Advisory
→
https://cert.vde.com/en/advisories/VDE-2021-003Third Party Advisory
→
https://cert.vde.com/en/advisories/VDE-2022-039Third Party Advisory
Quick Facts
CVE IDCVE-2020-12527
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-269
CISA KEVNo
Affected2 vendor(s)
PublishedMar 2, 2021
Related CVEs (CWE-269)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-12527 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.