CVE-2024-32038: wazuh Heap-based Buffer Overflow
CVSS: 9.8v3.1CriticalAnalyzed
Published 19-04-2024Last modified 02-08-2024
Vulnerability summary
CVE-2024-32038 is a critical (CVSS 9.8) Heap-based Buffer Overflow vulnerability in wazuh. EPSS estimates a 1.05% chance of exploitation in the next 30 days, higher than 63.8% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.05%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 19-04-2024PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
Wazuh is a free and open source platform used for threat prevention, detection, and response. There is a buffer overflow hazard in wazuh-analysisd when handling Unicode characters from Windows Eventchannel messages. It impacts Wazuh Manager 3.8.0 and above. This vulnerability is fixed in Wazuh Manager 4.7.2.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.05%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
0.00 pp
From 1.05% on 21-09-2026
21-09-202621-10-2026
EPSS score1.05%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Wazuh1 product
- wazuh≥ 3.8.0, < 4.7.2
1 vendor · 1 product