Is CVE-2021-22550 in the CISA KEV catalog?

No. CVE-2021-22550 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22550?

CVE-2021-22550 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-22550?

CVE-2021-22550 has an EPSS score of 0.10% (1th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22550?

Upgrade asylo to 0.6.3 or later.

CVE & CISA-KEV Catalog

CVE-2021-22550

MEDIUM

6.5

CVSS v3

NVD

Description

An attacker can modify the pointers in enclave memory to overwrite arbitrary memory addresses within the secure enclave. It is recommended to update past 0.6.3 or git commit https://github.com/google/asylo/commit/a47ef55db2337d29de19c50cd29b0deb2871d31c

CWE-823 CWE-668

How to fix

Remediation Available

asyloNVD

Affected:< 0.6.3Fixed in:0.6.3CVE-2021-22550derived 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 VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

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

Exploit Intelligence

0.10%probability of exploitation in 30 days

1stpercentile

Low risk: more likely to be exploited than 1% of all known CVEs.

References

Patch1

github.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.