HOMEVULNERABILITIESCVE-2020-12787
HIGH

CVE-2020-12787

NVD-CWE-noinfoPublished: September 14, 2020· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Microchip Atmel ATSAMA5 products in Secure Mode allow an attacker to bypass existing security mechanisms related to applet handling.

NVD Source

Technical Analysis

CVE-2020-12787 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Vendors & Products

microchip152 product(s)
atsama5d21c-cu firmwareatsama5d21c-cuatsama5d21c-cur firmwareatsama5d21c-curatsama5d22c-cn firmwareatsama5d22c-cnatsama5d22c-cnr firmwareatsama5d22c-cnratsama5d22c-cu firmwareatsama5d22c-cuatsama5d22c-cur firmwareatsama5d22c-cur+140
Source: NVD CPE · 152 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://labs.f-secure.com/advisories/microchip-atsama5-soc-multiple-vulnerabilities/
ADVISORYhttps://labs.f-secure.com/advisories/microchip-atsama5-soc-multiple-vulnerabilities/

All References (2)

→
https://labs.f-secure.com/advisories/microchip-atsama5-soc-multiple-vulnerabilities/Third Party Advisory
→
https://labs.f-secure.com/advisories/microchip-atsama5-soc-multiple-vulnerabilities/Third Party Advisory

Quick Facts

CVE IDCVE-2020-12787
CVSS Score7.5 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedSep 14, 2020

Related CVEs (NVD-CWE-noinfo)

CVE-2012-1713
10.0
CVE-2012-1716
10.0
CVE-2012-3559
10.0
CVE-2011-3101
10.0
CVE-2012-3290
10.0
CVE-2012-1721
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-12787 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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