CVE-2021-22745
First published: Wed May 26 2021(Updated: )
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex Model 3009 MP installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position. This CVE ID is unique from CVE-2021-22742, CVE-2021-22744, CVE-2021-22746, and CVE-2021-22747.
Credit: cybersecurity@se.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Schneider Electric Triconex Model 3009 MP | >=11.3.0<11.8.0 | |
| Schneider Electric Triconex Model 3009 MP | ||
| Schneider-electric Tricon Tcm 4351b Firmware | >=11.3.0<11.5.1 | |
| Schneider-electric Tricon Tcm 4351b Firmware | =11.7.0 | |
| Schneider-electric Tricon Tcm 4351b Firmware |
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Frequently Asked Questions
What is the severity of CVE-2021-22745?
CVE-2021-22745 has a high severity rating due to the potential for module reset from malformed TriStation packets.
How do I fix CVE-2021-22745?
To fix CVE-2021-22745, update the Triconex Model 3009 MP firmware to a version above 11.8.0.
Which systems are affected by CVE-2021-22745?
CVE-2021-22745 affects Triconex Model 3009 MP systems running firmware versions between 11.3.0 and 11.8.0.
What is the impact of CVE-2021-22745?
The impact of CVE-2021-22745 includes potential module resets when the write-protect keyswitch is in the program position.
Is CVE-2021-22745 specific to a certain firmware version?
Yes, CVE-2021-22745 specifically targets Triconex Model 3009 MP firmware versions 11.3.0 to 11.8.0.
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- agent/event
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- agent/software-canonical-lookup-request
- vendor/schneider-electric
- canonical/schneider electric triconex model 3009 mp
- version/schneider electric triconex model 3009 mp/11.3.0
- canonical/schneider-electric tricon tcm 4351b firmware
- version/schneider-electric tricon tcm 4351b firmware/11.3.0
- version/schneider-electric tricon tcm 4351b firmware/11.7.0