Medium severity · published Jun 9, 2021
CVE-2020-8703
Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a…
6.7
CVSS
0.3%
EPSS
No
On KEV
Description
Improper buffer restrictions in a subsystem in the Intel(R) CSME versions before 11.8.86, 11.12.86, 11.22.86, 12.0.81, 13.0.47, 13.30.17, 14.1.53, 14.5.32 and 15.0.22 may allow a privileged user to potentially enable escalation of privilege via local access.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CB
Cloud Backup · Netapp
All versions, or not specified · source: NVD
CS
Converged Security And Manageability Engine · Intel
before 12.0.81; before 13.0.47; before 13.30.17; before 14.1.53; before 14.5.32; before 11.8.86; +3 more · source: NVD
SF
Simatic Field PG M5 Firmware · Siemens
All versions, or not specified · source: NVD
SF
Simatic Field PG M6 Firmware · Siemens
All versions, or not specified · source: NVD
SI
Simatic Ipc427e Firmware · Siemens
All versions, or not specified · source: NVD
SI
Simatic Ipc477e Firmware · Siemens
All versions, or not specified · source: NVD
SI
Simatic Ipc477e Pro Firmware · Siemens
All versions, or not specified · source: NVD
SI
Simatic Ipc527g Firmware · Siemens
All versions, or not specified · source: NVD
SI
Simatic Ipc547g Firmware · Siemens
All versions, or not specified · source: NVD
SI
Simatic Ipc627e Firmware · Siemens
before 25.02.10 · source: NVD
SI
Simatic Ipc647e Firmware · Siemens
before 25.02.10 · source: NVD
SI
Simatic Ipc677e Firmware · Siemens
before 25.02.10 · source: NVD
Affected product
CS
Converged Security And Manageability Engine
Intel
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8703
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8703
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210611-0004/
Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.html
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