Is CVE-2024-27454 in the CISA KEV catalog?

No. CVE-2024-27454 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-27454?

CVE-2024-27454 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2024-27454?

CVE-2024-27454 has an EPSS score of 1.19% (64th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-27454?

Upgrade python-orjson on debian 13 to 3.9.15-1 or later.

CVE & CISA-KEV Catalog

CVE-2024-27454

HIGH

7.5

CVSS v3

NVD

Description

orjson.loads in orjson before 3.9.15 does not limit recursion for deeply nested JSON documents.

CWE-674

How to fix

Remediation Available

python-orjsonDebian

Fixed in:3.9.15-1CVE-2024-27454

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.19%probability of exploitation in 30 days

64thpercentile

Moderate risk: more likely to be exploited than 64% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Release Notes1

github.com

Other references1

monicz.dev

Related Vulnerabilities

Other CWE-674 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2024-25111	High	8.6	65%	-	Fix
CVE-2023-50269	High	8.6	58%	-	Fix
CVE-2021-42697	High	7.5	36%	-	Fix
CVE-2018-0739	Medium	6.5	19%	-	Fix
CVE-2007-1285	High	7.5	18%	-	Fix

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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 2025-09-18.