Buffer overflow in Schneider-electric 140cpu65150
CVE-2021-22788
A CWE-787: Out-of-bounds Write vulnerability exists that could cause denial of service when an attacker sends a specially crafted HTTP request to the web server of the device. Affected Product: Modicon M340 CPUs: BMXP34 (Versions prior to…
Vulnerability class: Buffer Overflow
EPSS: 0.010 (58.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Schneider-electric 140cpu65150
- Schneider-electric 140cpu65150_firmware
- Schneider-electric 140noc77101
- Schneider-electric 140noc77101_firmware
- Schneider-electric 140noc78x00
- Schneider-electric 140noc78x00_firmware
- Schneider-electric 140noe771x1
- Schneider-electric 140noe771x1_firmware
- Schneider-electric Bmxnoc0401
- Schneider-electric Bmxnoc0401_firmware
Weakness classification (CWE)
References
- cybersecurity@se.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22788?
- CVE-2021-22788 is a high-severity vulnerability in Schneider-electric 140cpu65150, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-02-11.
- How severe is CVE-2021-22788?
- High severity. CVSS v3 base score is 7.5 out of 10.