Medium severity · published Dec 17, 2021
CVE-2021-45042
In HashiCorp Vault and Vault Enterprise before 1.7.7, 1.8.x before 1.8.6, and 1.9.x before 1.9.1, clusters using the Integrated Storage backend allowed an authenticated user (with…
4.9
CVSS
1.5%
EPSS
No
On KEV
Description
In HashiCorp Vault and Vault Enterprise before 1.7.7, 1.8.x before 1.8.6, and 1.9.x before 1.9.1, clusters using the Integrated Storage backend allowed an authenticated user (with write permissions to a kv secrets engine) to cause a panic and denial of service of the storage backend. The earliest affected version is 1.4.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VA
Vault · Hashicorp
1.4.0 before 1.7.7; 1.4.0 before 1.7.7; 1.8.0 before 1.8.6; 1.8.0 before 1.8.6; 1.9.0; 1.9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45042
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45042
Vendor Advisory
https://discuss.hashicorp.com/t/hcsec2-21-33-vault-s-kv-secrets-engine-with-integrated-storage-exposed-to-authenticated-denial-of-service/33157
Third Party Advisory
https://security.gentoo.org/glsa/202207-01
Product
https://www.hashicorp.com/blog/category/vault
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