High severity · published May 26, 2021
CVE-2021-22705
Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause denial of service or unauthorized access to system information when…
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could cause denial of service or unauthorized access to system information when interacting directly with a driver installed by Vijeo Designer or EcoStruxure Machine Expert
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EM
Ecostruxure Machine Expert · Schneider-electric
before 2.0 · source: NVD
VD
Vijeo Designer · Schneider-electric
before 6.2.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22705
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22705
Patch
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-02
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