Low severity · published May 9, 2023
CVE-2023-27408
A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2.1)
3.3
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2.1). The `i2c` mutex file is created with the permissions bits of `-rw-rw-rw-`. This file is used as a mutex for multiple applications interacting with i2c. This could allow an authenticated attacker with access to the SSH interface on the affected device to interfere with the integrity of the mutex and the data it protects.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SL
Scalance Lpe9403 Firmware · Siemens
before 2.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-27408
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-27408
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-325383.pdf
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