Is CVE-2021-22557 in the CISA KEV catalog?

No. CVE-2021-22557 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22557?

CVE-2021-22557 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2021-22557?

CVE-2021-22557 has an EPSS score of 1.58% (73th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22557?

Upgrade slo generator to 2.0.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-22557

MEDIUMEPSS 73th pctl

5.3

CVSS v3

NVD

Description

SLO generator allows for loading of YAML files that if crafted in a specific format can allow for code execution within the context of the SLO Generator. We recommend upgrading SLO Generator past https://github.com/google/slo-generator/pull/173

CWE-94Code Injection CWE-78OS Command Injection

How to fix

Remediation Available

slo generatorNVD

Affected:< 2.0.1Fixed in:2.0.1CVE-2021-22557derived 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 ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

1.58%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Patch1

github.com

Exploit1

packetstormsecurity.com

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

Embed a live status badge for CVE-2021-22557

Markdown

[![CVE-2021-22557](https://tridentstack.com/cve/badge/CVE-2021-22557.svg)](https://tridentstack.com/cve/CVE-2021-22557)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-22557"><img src="https://tridentstack.com/cve/badge/CVE-2021-22557.svg" alt="CVE-2021-22557"></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.

Start free

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.