CVE-2019-6855
Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20) , and Modicon M580 (all versions prior to V3.10), which could cause a…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Incorrect Authorization vulnerability exists in EcoStruxure Control Expert (all versions prior to 14.1 Hot Fix), Unity Pro (all versions), Modicon M340 (all versions prior to V3.20) , and Modicon M580 (all versions prior to V3.10), which could cause a bypass of the authentication process between EcoStruxure Control Expert and the M340 and M580 controllers.
- CVSS 3.1
- 7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 0.95% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- schneider-electric/ecostruxure control expert · schneider-electric/unity pro · schneider-electric/modicon m580 bmep584040 firmware · schneider-electric/modicon m580 bmeh584040 firmware · schneider-electric/modicon m580 bmep586040 firmware · schneider-electric/modicon m580 bmeh586040 firmware · schneider-electric/modicon m580 bmep581020 firmware · schneider-electric/modicon m580 bmep582020 firmware · schneider-electric/modicon m580 bmep582040 firmware · schneider-electric/modicon m580 bmep583020 firmware · schneider-electric/modicon m580 bmep583040 firmware · schneider-electric/modicon m580 bmep584020 firmware · schneider-electric/modicon m580 bmep585040 firmware · schneider-electric/modicon m580 bmeh582040 firmware · schneider-electric/modicon m580 bmep584040s firmware · schneider-electric/modicon m580 bmeh584040s firmware · schneider-electric/modicon m580 bmeh586040s firmware · schneider-electric/modicon m580 bmep582040s firmware · schneider-electric/modicon m340 bmxp3420302 firmware · schneider-electric/modicon m340 bmxp342020 firmware · +3 more
- Source
- cybersecurity@se.com
References
- https://www.se.com/ww/en/download/document/SEVD-2019-344-02/Vendor Advisory
- https://www.se.com/ww/en/download/document/SEVD-2019-344-02/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.