CVE-2025-9624
OpenSearch 3.2.0 - Nested Boolean/Disjunction asymmetric DoS
A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.
This issue affects all OpenSearch versions between 3.0.0 and < 3.3.0 and OpenSearch < 2.19.4.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
OpenSearch 3.2.0 - Nested Boolean/Disjunction asymmetric DoS
A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.
This issue affects all OpenSearch versions between 3.0.0 and < 3.3.0 and OpenSearch < 2.19.4.
- Record
CVE-2025-9624- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H - Weakness
- CWE-674
- Updated
- 2026-11-02
EUVDEUVD-2025-199644
A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.
This issue affects all OpenSearch versions between 3.0.0 and < 3.3.0 and OpenSearch < 2.19.4.
- Record
EUVD-2025-199644- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mw3v-mmfw-3x2g
OpenSearch is vulnerable to DoS via complex query_string inputs
A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.
This issue affects all OpenSearch versions below 2.19.4 and versions 3.0.0 through 3.2.0.
- Record
GHSA-mw3v-mmfw-3x2g- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H - Weakness
- CWE-674
- Updated
- 2026-11-02
NVD
A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.
This issue affects all OpenSearch versions between 3.0.0 and < 3.3.0 and OpenSearch < 2.19.4.
- Record
CVE-2025-9624- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-674
- Updated
- 2026-11-02
OSV
OpenSearch 3.2.0 - Nested Boolean/Disjunction asymmetric DoS
A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.
This issue affects all OpenSearch versions between 3.0.0 and < 3.3.0 and OpenSearch < 2.19.4.
- Record
CVE-2025-9624- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H - Weakness
- CWE-674
- Updated
- 2026-11-02
OSVGHSA-mw3v-mmfw-3x2g
OpenSearch is vulnerable to DoS via complex query_string inputs
A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.
This issue affects all OpenSearch versions below 2.19.4 and versions 3.0.0 through 3.2.0.
- Record
GHSA-mw3v-mmfw-3x2g- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H - Weakness
- CWE-674
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-9624
A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs. This issue affects all OpenSearch versions between 3.0.0 and < 3.3.0 and OpenSearch < 2.19.4.
- Record
UBUNTU-CVE-2025-9624- CVSS 4.0
- 8.3 High
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.opensearch:opensearch-commonMaven |
3.0.0 up to 3.3.0 | 3.3.0 |
org.opensearch:opensearch-commonMaven |
before 2.19.4 | 2.19.4 |
org.opensearch:opensearch-commonMaven |
3.0.0 up to 3.3.0, plus listed versions 3.1.03.2.0 |
3.3.0 |
org.opensearch:opensearch-commonMaven |
before 2.19.4, plus listed versions 2.10.02.11.02.11.12.12.02.13.0 Show 14 moreShow less2.14.02.15.02.16.02.17.02.17.12.18.02.19.02.19.12.19.22.19.32.6.02.7.02.8.02.9.0 |
2.19.4 |
opensearchUbuntu:24.04:LTS |
All versions, plus listed versions 2.4.1+dfsg-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-9624 is a high vulnerability (CVSS 8.3) in Amazon Opensearch, published November 25, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. Fixed in org.opensearch:opensearch-common 3.3.0.