Is CVE-2021-22548 in the CISA KEV catalog?

No. CVE-2021-22548 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22548?

CVE-2021-22548 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-22548?

CVE-2021-22548 has an EPSS score of 0.12% (2th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22548?

Upgrade asylo to 0.6.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-22548

MEDIUM

6.5

CVSS v3

NVD

Description

An attacker can change the pointer to untrusted memory to point to trusted memory region which causes copying trusted memory to trusted memory, if the latter is later copied out, it allows for reading of memory regions from the trusted region. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c

CWE-788

How to fix

Remediation Available

asyloNVD

Affected:< 0.6.2Fixed in:0.6.2CVE-2021-22548derived 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

0.12%probability of exploitation in 30 days

2ndpercentile

Low risk: more likely to be exploited than 2% of all known CVEs.

References

Patch1

github.com

Related Vulnerabilities

Other CWE-788 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-9731	High	7.8	11%	-	-
CVE-2021-21105	High	8.8	5.9%	-	-
CVE-2021-21104	High	8.8	4.9%	-	-
CVE-2021-21082	High	7.8	4.5%	-	-
CVE-2019-8280	Critical	9.8	4.2%	-	Fix
CVE-2021-21093	High	7.8	3.9%	-	-

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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.