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CVE-2024-43383

25
FAUCET Score

CVE-2024-43383 is a Deserialization of Untrusted Data vulnerability affecting Apache Lucene.NET's Replicator library, specifically versions 4.8.0-beta00005 through 4.8.0-beta00016. An attacker can exploit this by intercepting replication traffic or controlling the target node URL, injecting a malicious JSON response that, when deserialized, can lead to remote code execution or unauthorized access. This vulnerability is rated as High severity (CVSS 8.1) due to its network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.8.0CPE matchmatch criteria
cpe:2.3:a:apache:lucene.net:4.8.0:beta00005:*:*:*:*:*:*
4.8.0CPE matchmatch criteria
cpe:2.3:a:apache:lucene.net:4.8.0:beta00006:*:*:*:*:*:*
4.8.0CPE matchmatch criteria
cpe:2.3:a:apache:lucene.net:4.8.0:beta00007:*:*:*:*:*:*
4.8.0CPE matchmatch criteria
cpe:2.3:a:apache:lucene.net:4.8.0:beta00008:*:*:*:*:*:*
4.8.0CPE matchmatch criteria
cpe:2.3:a:apache:lucene.net:4.8.0:beta00009:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.0HIGH

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.1
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.19%
Probability of exploitation in next 30 days
EPSS Percentile
64.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0119 is in the 26th percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

nugetpatch availablevia ghsa
Product: Lucene.Net.ReplicatorFixed in: 4.8.0-beta00017

Vendor Advisories (1)

nugetGHSA-2qw8-ppr5-m96chigh

Apache Lucene.Net.Replicator Deserialization of Untrusted Data vulnerability

Oct 31, 2024

References

openwall.com / lists/oss-security/2024/10/31/2
Mailing List
lists.apache.org / thread/wlz1p76dxpt4rl9o29voxjd5zl7717nh
Mailing List