CVE-2021-22549

Q: How do I fix CVE-2021-22549?

Upgrade asylo to 0.6.2 or later.

Q: Is CVE-2021-22549 being actively exploited?

Not that we know of. CVE-2021-22549 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.12% is the estimated probability that it will be exploited in the next 30 days. That is higher than 2% of all scored CVEs.

Q: How severe is CVE-2021-22549?

CVE-2021-22549 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2021-22549 affect?

Published advisories record a fix for asylo (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

6.5

CVSS v3

NVD

Description

An attacker can modify the address to point to trusted memory to overwrite arbitrary trusted memory. It is recommended to update past 0.6.2 or git commit https://github.com/google/asylo/commit/53ed5d8fd8118ced1466e509606dd2f473707a5c

CWE-823 CWE-668

How to fix

Remediation Available

asyloNVD

Affected:< 0.6.2Fixed in:0.6.2CVE-2021-22549derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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-823 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2016-2161	High	7.5	21%	-	Fix
CVE-2020-6112	High	7.8	17%	-	-
CVE-2020-27009	High	8.1	7.2%	-	Fix
CVE-2023-46724	High	8.6	4.0%	-	Fix
CVE-2020-13573	High	7.5	3.4%	-	-
CVE-2022-0685	High	7.8	1.7%	-	Fix

Common questions

How do I fix CVE-2021-22549?

Upgrade asylo to 0.6.2 or later.

Is CVE-2021-22549 being actively exploited?

Not that we know of. CVE-2021-22549 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.12% is the estimated probability that it will be exploited in the next 30 days. That is higher than 2% of all scored CVEs.

How severe is CVE-2021-22549?

CVE-2021-22549 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-22549 affect?

Published advisories record a fix for asylo (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2021-22549

Markdown

[![CVE-2021-22549](https://tridentstack.com/cve/badge/CVE-2021-22549.svg)](https://tridentstack.com/cve/CVE-2021-22549)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-22549"><img src="https://tridentstack.com/cve/badge/CVE-2021-22549.svg" alt="CVE-2021-22549"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

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.