No exploitation reported

CVE-2020-12527

No exploitation reported by the sources we read.

Published2021-03-02
WeaknessCWE-269

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2021-03-0222:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-12527?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-12527?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Helmholz myrex24

Branch	Affected	Fixed in	Source
2.11	≤ 2.11.2	no fix published	NVD

Helmholz myrex24.virtual

Branch	Affected	Fixed in	Source
2.11	≤ 2.11.2	no fix published	NVD

Mbconnectline mbconnect24

Branch	Affected	Fixed in	Source
2.11	≤ 2.11.2	no fix published	NVD

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-21-061-03 CISA1 known affected
MB connect line mbCONNECT24, mymbCONNECT24
mymbCONNECT24: v2.6.1 and prior

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-21-061-03 · 1 productAdditional details can be found on MB connect line's website.

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.16.5read 2026-10-23
NVDCVSS 3.16.5read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
CNAweakness (CWE)CWE-269read 2026-10-23
NVDweakness (CWE)CWE-269read 2026-10-23
FIRST EPSSEPSS score1.0 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published: 2021-03-02
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-12527?

Is CVE-2020-12527 actively exploited?

Active exploitation of CVE-2020-12527 has not been confirmed. Its EPSS score was 1.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-12527?

CVE-2020-12527 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

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