Is CVE-2020-11684 in the CISA KEV catalog?

No. CVE-2020-11684 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-11684?

CVE-2020-11684 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2020-11684?

CVE-2020-11684 has an EPSS score of 1.08% (61th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-11684?

Upgrade at91bootstrap to 3.9.2 or later.

CVE & CISA-KEV Catalog

CVE-2020-11684

CRITICAL

9.1

CVSS v3

NVD

Description

AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control to a less privileged software component. This can be exploited to disclose these keys and subsequently encrypt and sign the next boot stage (such as the bootloader).

CWE-212

How to fix

Remediation Available

at91bootstrapNVD

Affected:>= 3.7.2, < 3.9.2Fixed in:3.9.2CVE-2020-11684derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

1.08%probability of exploitation in 30 days

61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Patch1

github.com

Exploit1

labs.f-secure.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.