← Vulnerability feed

Vulnerability record · CVE-2020-8703 · published 9 June 2021

CVE-2020-8703: Intel converged security and manageability engine memory buffer overflow vulnerability

Intel · Converged Security And Manageability Engine

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.

6.7 CVSS 3.1 Medium EPSS 0.33% · top 76.0% CWE-119 · Memory buffer overflow
6.7CVSS 3.1 base score, v2 4.6
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
14Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

14 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf Third Party Advisory
https://security.netapp.com/advisory/ntap-20210611-0004/ Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.html Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf Third Party Advisory
https://security.netapp.com/advisory/ntap-20210611-0004/ Third Party Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00459.html Vendor Advisory

Track CVE-2020-8703 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-42013Apache HTTP Server path traversal and RCE via incomplete fixThe fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient, leaving a path traversal flaw that lets attackers map URLs to files outside…KEVEPSS 100%analysed9.8CVE-2021-41773Apache HTTP Server 2.4.49 path traversal and RCEA path normalization flaw introduced in Apache HTTP Server 2.4.49 lets attackers map URLs to files outside directories configured by Alias-like direc…KEVEPSS 100%analysed9.8CVE-2017-5689Intel AMT, ISM and SBT improper privilege management allows privilege escalationIntel manageability SKUs (AMT, ISM, SBT) contain an improper privilege management flaw. An unprivileged network attacker can gain system privileges o…KEVEPSS 92%analysed9.0CVE-2021-40438Apache HTTP Server mod_proxy SSRF via crafted URI pathA crafted request URI path can make mod_proxy forward the request to an origin server chosen by the remote user, an SSRF flaw in Apache HTTP Server 2…KEVEPSS 100%analysed7.8CVE-2021-22555Linux kernel netfilter x_tables heap out-of-bounds writeA heap out-of-bounds write exists in the Linux kernel netfilter x_tables code (net/netfilter/x_tables.c), present since v2.6.19-rc1. A local attacker…KEVEPSS 79%analysed7.8CVE-2021-3156Sudo off-by-one heap overflow allows root privilege escalationSudo before 1.9.5p2 contains an off-by-one error leading to a heap-based buffer overflow. Triggering it via 'sudoedit -s' with a command-line argumen…KEVEPSS 100%analysed7.8CVE-2019-2215Android Binder use-after-free allows kernel privilege escalationCVE-2019-2215 is a use-after-free in binder.c in the Android/Linux kernel that lets a local application escalate privileges to the kernel. It matters…KEVEPSS 72%analysed7.0CVE-2016-5195Linux Kernel Dirty COW Race Condition Privilege EscalationA race condition in the Linux kernel's mm/gup.c mishandles copy-on-write, letting a local user write to read-only memory mappings. This breaks the re…KEVEPSS 84%analysed

Source: NIST National Vulnerability Database (record CVE-2020-8703), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.