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Vulnerable Software

Vulnerability Details CVE-2025-6203

A malicious user may submit a specially-crafted complex payload that otherwise meets the default request size limit which results in excessive memory and CPU consumption of Vault. This may lead to a timeout in Vault’s auditing subroutine, potentially resulting in the Vault server to become unresponsive. This vulnerability, CVE-2025-6203, is fixed in Vault Community Edition 1.20.3 and Vault Enterprise 1.20.3, 1.19.9, 1.18.14, and 1.16.25.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 12.4%

CVSS Severity

CVSS v3 Score 7.5

References

https://discuss.hashicorp.com/t/hcsec-2025-24-vault-denial-of-service-though-complex-json-payloads/76393

Products affected by CVE-2025-6203

Hashicorp » Vault » Version: 1.15.0

cpe:2.3:a:hashicorp:vault:1.15.0
Hashicorp » Vault » Version: 1.15.10

cpe:2.3:a:hashicorp:vault:1.15.10
Hashicorp » Vault » Version: 1.15.11

cpe:2.3:a:hashicorp:vault:1.15.11
Hashicorp » Vault » Version: 1.15.12

cpe:2.3:a:hashicorp:vault:1.15.12
Hashicorp » Vault » Version: 1.15.13

cpe:2.3:a:hashicorp:vault:1.15.13
Hashicorp » Vault » Version: 1.15.14

cpe:2.3:a:hashicorp:vault:1.15.14
Hashicorp » Vault » Version: 1.15.15

cpe:2.3:a:hashicorp:vault:1.15.15
Hashicorp » Vault » Version: 1.15.16

cpe:2.3:a:hashicorp:vault:1.15.16
Hashicorp » Vault » Version: 1.15.2

cpe:2.3:a:hashicorp:vault:1.15.2
Hashicorp » Vault » Version: 1.15.3

cpe:2.3:a:hashicorp:vault:1.15.3
Hashicorp » Vault » Version: 1.15.4

cpe:2.3:a:hashicorp:vault:1.15.4
Hashicorp » Vault » Version: 1.15.5

cpe:2.3:a:hashicorp:vault:1.15.5
Hashicorp » Vault » Version: 1.15.6

cpe:2.3:a:hashicorp:vault:1.15.6
Hashicorp » Vault » Version: 1.15.7

cpe:2.3:a:hashicorp:vault:1.15.7
Hashicorp » Vault » Version: 1.15.8

cpe:2.3:a:hashicorp:vault:1.15.8
Hashicorp » Vault » Version: 1.15.9

cpe:2.3:a:hashicorp:vault:1.15.9
Hashicorp » Vault » Version: 1.16.0

cpe:2.3:a:hashicorp:vault:1.16.0
Hashicorp » Vault » Version: 1.16.1

cpe:2.3:a:hashicorp:vault:1.16.1
Hashicorp » Vault » Version: 1.16.10

cpe:2.3:a:hashicorp:vault:1.16.10
Hashicorp » Vault » Version: 1.16.11

cpe:2.3:a:hashicorp:vault:1.16.11
Hashicorp » Vault » Version: 1.16.12

cpe:2.3:a:hashicorp:vault:1.16.12
Hashicorp » Vault » Version: 1.16.13

cpe:2.3:a:hashicorp:vault:1.16.13
Hashicorp » Vault » Version: 1.16.14

cpe:2.3:a:hashicorp:vault:1.16.14
Hashicorp » Vault » Version: 1.16.15

cpe:2.3:a:hashicorp:vault:1.16.15
Hashicorp » Vault » Version: 1.16.16

cpe:2.3:a:hashicorp:vault:1.16.16
Hashicorp » Vault » Version: 1.16.17

cpe:2.3:a:hashicorp:vault:1.16.17
Hashicorp » Vault » Version: 1.16.18

cpe:2.3:a:hashicorp:vault:1.16.18
Hashicorp » Vault » Version: 1.16.19

cpe:2.3:a:hashicorp:vault:1.16.19
Hashicorp » Vault » Version: 1.16.2

cpe:2.3:a:hashicorp:vault:1.16.2
Hashicorp » Vault » Version: 1.16.20

cpe:2.3:a:hashicorp:vault:1.16.20
Hashicorp » Vault » Version: 1.16.21

cpe:2.3:a:hashicorp:vault:1.16.21
Hashicorp » Vault » Version: 1.16.22

cpe:2.3:a:hashicorp:vault:1.16.22
Hashicorp » Vault » Version: 1.16.23

cpe:2.3:a:hashicorp:vault:1.16.23
Hashicorp » Vault » Version: 1.16.3

cpe:2.3:a:hashicorp:vault:1.16.3
Hashicorp » Vault » Version: 1.16.4

cpe:2.3:a:hashicorp:vault:1.16.4
Hashicorp » Vault » Version: 1.16.5

cpe:2.3:a:hashicorp:vault:1.16.5
Hashicorp » Vault » Version: 1.16.6

cpe:2.3:a:hashicorp:vault:1.16.6
Hashicorp » Vault » Version: 1.16.7

cpe:2.3:a:hashicorp:vault:1.16.7
Hashicorp » Vault » Version: 1.16.8

cpe:2.3:a:hashicorp:vault:1.16.8
Hashicorp » Vault » Version: 1.16.9

cpe:2.3:a:hashicorp:vault:1.16.9
Hashicorp » Vault » Version: 1.17.0

cpe:2.3:a:hashicorp:vault:1.17.0
Hashicorp » Vault » Version: 1.17.1

cpe:2.3:a:hashicorp:vault:1.17.1
Hashicorp » Vault » Version: 1.17.2

cpe:2.3:a:hashicorp:vault:1.17.2
Hashicorp » Vault » Version: 1.17.3

cpe:2.3:a:hashicorp:vault:1.17.3
Hashicorp » Vault » Version: 1.17.4

cpe:2.3:a:hashicorp:vault:1.17.4
Hashicorp » Vault » Version: 1.17.5

cpe:2.3:a:hashicorp:vault:1.17.5
Hashicorp » Vault » Version: 1.17.6

cpe:2.3:a:hashicorp:vault:1.17.6
Hashicorp » Vault » Version: 1.18.0

cpe:2.3:a:hashicorp:vault:1.18.0
Hashicorp » Vault » Version: 1.18.1

cpe:2.3:a:hashicorp:vault:1.18.1
Hashicorp » Vault » Version: 1.18.10

cpe:2.3:a:hashicorp:vault:1.18.10
Hashicorp » Vault » Version: 1.18.11

cpe:2.3:a:hashicorp:vault:1.18.11
Hashicorp » Vault » Version: 1.18.12

cpe:2.3:a:hashicorp:vault:1.18.12
Hashicorp » Vault » Version: 1.18.2

cpe:2.3:a:hashicorp:vault:1.18.2
Hashicorp » Vault » Version: 1.18.3

cpe:2.3:a:hashicorp:vault:1.18.3
Hashicorp » Vault » Version: 1.18.4

cpe:2.3:a:hashicorp:vault:1.18.4
Hashicorp » Vault » Version: 1.18.5

cpe:2.3:a:hashicorp:vault:1.18.5
Hashicorp » Vault » Version: 1.18.6

cpe:2.3:a:hashicorp:vault:1.18.6
Hashicorp » Vault » Version: 1.18.7

cpe:2.3:a:hashicorp:vault:1.18.7
Hashicorp » Vault » Version: 1.18.8

cpe:2.3:a:hashicorp:vault:1.18.8
Hashicorp » Vault » Version: 1.18.9

cpe:2.3:a:hashicorp:vault:1.18.9
Hashicorp » Vault » Version: 1.19.0

cpe:2.3:a:hashicorp:vault:1.19.0
Hashicorp » Vault » Version: 1.19.1

cpe:2.3:a:hashicorp:vault:1.19.1
Hashicorp » Vault » Version: 1.19.2

cpe:2.3:a:hashicorp:vault:1.19.2
Hashicorp » Vault » Version: 1.19.3

cpe:2.3:a:hashicorp:vault:1.19.3
Hashicorp » Vault » Version: 1.19.4

cpe:2.3:a:hashicorp:vault:1.19.4
Hashicorp » Vault » Version: 1.19.5

cpe:2.3:a:hashicorp:vault:1.19.5
Hashicorp » Vault » Version: 1.19.6

cpe:2.3:a:hashicorp:vault:1.19.6
Hashicorp » Vault » Version: 1.19.7

cpe:2.3:a:hashicorp:vault:1.19.7
Hashicorp » Vault » Version: 1.20.0

cpe:2.3:a:hashicorp:vault:1.20.0
Hashicorp » Vault » Version: 1.20.1

cpe:2.3:a:hashicorp:vault:1.20.1

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Vulnerability Details CVE-2025-6203

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