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CVE-2023-33008

18
FAUCET Score

CVE-2023-33008 is a Deserialization of Untrusted Data vulnerability affecting Apache Johnzon versions through 1.2.20. An unauthenticated attacker can exploit this by submitting specially crafted JSON input containing extremely large numbers, leading to a denial-of-service condition due to slow BigDecimal conversions. Rated 5.3 Medium, this vulnerability has a low attack complexity and no confidentiality or integrity impact, only availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2.21CPE matchmatch criteria
cpe:2.3:a:apache:johnzon:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.45%
Probability of exploitation in next 30 days
EPSS Percentile
70.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0145 is in the 53rd percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

mavenpatch availablevia ghsa
Product: org.apache.johnzon:johnzon-mapperFixed in: 1.2.21
redhatpatch availablevia redhat_api
Product: AMQ Broker 7.11.2Fixed in: apache-johnzon
View patch
redhatpatch availablevia redhat_api
Product: RHINT Camel-Springboot 4.0.0Fixed in: apache-johnzon
View patch
redhatpatch availablevia redhat_api
Product: Spring Boot 2.7.17Fixed in: apache-johnzon
View patch
redhatno patchvia redhat_api
Product: Red Hat build of Apache Camel for Spring Boot 3Fixed in: apache-johnzon
redhatend of lifevia redhat_api
Product: Red Hat Integration Camel K 1Fixed in: apache-johnzon
redhatend of lifevia redhat_api
Product: Red Hat Integration Camel Quarkus 2Fixed in: apache-johnzon

Vendor Advisories (2)

mavenGHSA-crqg-jrpj-fc84medium

Apache Johnzon Deserialization of Untrusted Data vulnerability

Jul 7, 2023
redhatCVE-2023-33008Moderate

apache-johnzon: Prevent inefficient internal conversion from BigDecimal at large scale

Jul 6, 2023

References

lists.apache.org / thread/qbg14djo95gfpk7o560lr8wcrzfyw43l
Issue TrackingMailing ListVendor Advisory