Is CVE-2024-27307 in the CISA KEV catalog?

No. CVE-2024-27307 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-27307?

CVE-2024-27307 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2024-27307?

CVE-2024-27307 has an EPSS score of 1.42% (70th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2024-27307

Q: How do I fix CVE-2024-27307?

Upgrade rhdh/rhdh on rhel 8 to hub-rhel9@sha256:326bbee170b6e612cb57326e756fa6b40034f0ddc9dd10dc8adbb260f17a3e38_amd64 or later. Fixes are available for 2 affected products.

CRITICAL

9.8

CVSS v3

NVD

Description

JSONata is a JSON query and transformation language. Starting in version 1.4.0 and prior to version 1.8.7 and 2.0.4, a malicious expression can use the transform operator to override properties on the `Object` constructor and prototype. This may lead to denial of service, remote code execution or other unexpected behavior in applications that evaluate user-provided JSONata expressions. This issue has been fixed in JSONata versions 1.8.7 and 2.0.4. Applications that evaluate user-provided expressions should update ASAP to prevent exploitation. As a workaround, one may apply the patch manually.

CWE-1321

How to fix

Remediation Available

rhdh/rhdhRed Hat / RHEL

Fixed in:hub-rhel9@sha256:326bbee170b6e612cb57326e756fa6b40034f0ddc9dd10dc8adbb260f17a3e38_amd64RHEA-2024:4071

Fixed in:operator-bundle@sha256:daf5a8a5d8eae173facaa54561f29706b06fe03579bcfc1d1feb8f70061edf6c_amd64RHEA-2024:4071

Fixed in:rhel9-operator@sha256:6e2abcf60e86bb0671673af301b708956eb711f66842d26df5d55a76e01475cb_amd64RHEA-2024:4071

rhdh/rhdhRocky

Fixed in:hub-rhel9@sha256:326bbee170b6e612cb57326e756fa6b40034f0ddc9dd10dc8adbb260f17a3e38_amd64RHEA-2024:4071

Fixed in:operator-bundle@sha256:daf5a8a5d8eae173facaa54561f29706b06fe03579bcfc1d1feb8f70061edf6c_amd64RHEA-2024:4071

Fixed in:rhel9-operator@sha256:6e2abcf60e86bb0671673af301b708956eb711f66842d26df5d55a76e01475cb_amd64RHEA-2024:4071

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.42%probability of exploitation in 30 days

70thpercentile

Moderate risk: more likely to be exploited than 70% of all known CVEs.

References

Patch3

Vendor Advisory1

github.com

Release Notes1

github.com

Related Vulnerabilities

Other CWE-1321 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0230	Critical	9.8	97%	-	-
CVE-2019-11358	Medium	6.1	87%	-	Fix
CVE-2020-7774	High	7.3	69%	-	Fix
CVE-2022-24760	Critical	10.0	49%	-	Fix
CVE-2022-39396	Critical	9.8	39%	-	Fix
CVE-2022-2564	Critical	9.8	33%	-	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 2025-12-04.