High severity · published Feb 20, 2025
CVE-2025-1293
HashiCorp Hermes Improperly Validates AWS ALB JWTs, which May Lead to Authentication Bypass
8.2
CVSS
0.3%
EPSS
No
On KEV
Description
Hermes versions up to 0.4.0 improperly validated the JWT provided when using the AWS ALB authentication mode, potentially allowing for authentication bypass. This vulnerability, CVE-2025-1293, was fixed in Hermes 0.5.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TO
Tooling · HashiCorp
before 0.5.0 · source: vendor
HE
Hermes · Hashicorp
before 0.5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-1293
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-1293
Vendor Advisory
https://discuss.hashicorp.com/t/hcsec-2025-03-hashicorp-hermes-improperly-validates-aws-alb-jwts-which-may-lead-to-authentication-bypass/73371
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