CVE-2020-7540 — Missing Authentication for Critical Function in Modicon M340 Bmxp341000 Firmware

CWE-306 — Missing Authentication for Critical Function4 documents4 sources

Severity

9.8CRITICALNVD

EPSS

0.3%

top 45.88%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Schneider-electric 140cpu65150 Firmware Schneider-electric 140cpu65160 Firmware Schneider-electric 140noc77101 Firmware +19 more

Timeline

PublishedDec 11

Latest updateMay 24

Description

A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause unauthenticated command execution in the controller when sending special HTTP requests.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages22 packages

▶NVDschneider-electric/modicon_m340_bmxp341000_firmware< 3.30

▶NVDschneider-electric/modicon_m340_bmxp342000_firmware< 3.30

▶NVDschneider-electric/modicon_m340_bmxp342020_firmware< 3.30

▶NVDschneider-electric/modicon_m340_bmxp3420102_firmware< 3.30

▶NVDschneider-electric/modicon_m340_bmxp3420302_firmware< 3.30

🔴Vulnerability Details

GHSA

GHSA-x5fh-cqhm-x62g: A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modi↗2022-05-24

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CVEList

CVE-2020-7540: A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modi↗2020-12-11

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💬Community

Bugzilla

CVE-2020-13790 libjpeg-turbo: heap-based buffer over-read in get_rgb_row() in rdppm.c↗2020-06-15

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