HOMEVULNERABILITIESCVE-2021-32923
HIGH

CVE-2021-32923

CWE-613Published: June 3, 2021· Updated: Jun 17, 2026

7.4
CVSS v3.1

Official Description

HashiCorp Vault and Vault Enterprise allowed the renewal of nearly-expired token leases and dynamic secret leases (specifically, those within 1 second of their maximum TTL), which caused them to be incorrectly treated as non-expiring during subsequent use. Fixed in 1.5.9, 1.6.5, and 1.7.2.

NVD Source

Technical Analysis

CVE-2021-32923 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 7.4.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Vendors & Products

hashicorp1 product(s)
vault
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://discuss.hashicorp.com/t/hcsec-2021-15-vault-renewed-nearly-expired-leases-with-incorrect-non-expiring-ttls/24603
ADVISORYhttps://security.gentoo.org/glsa/202207-01
ADVISORYhttps://www.hashicorp.com/blog/category/vault/
ADVISORYhttps://discuss.hashicorp.com/t/hcsec-2021-15-vault-renewed-nearly-expired-leases-with-incorrect-non-expiring-ttls/24603
ADVISORYhttps://security.gentoo.org/glsa/202207-01
ADVISORYhttps://www.hashicorp.com/blog/category/vault/

All References (6)

→
https://discuss.hashicorp.com/t/hcsec-2021-15-vault-renewed-nearly-expired-leases-with-incorrect-non-expiring-ttls/24603Vendor Advisory
→
https://security.gentoo.org/glsa/202207-01Third Party Advisory
→
https://www.hashicorp.com/blog/category/vault/Product · Vendor Advisory
→
https://discuss.hashicorp.com/t/hcsec-2021-15-vault-renewed-nearly-expired-leases-with-incorrect-non-expiring-ttls/24603Vendor Advisory
→
https://security.gentoo.org/glsa/202207-01Third Party Advisory
→
https://www.hashicorp.com/blog/category/vault/Product · Vendor Advisory

Quick Facts

CVE IDCVE-2021-32923
CVSS Score7.4 / 10
SeverityHIGH
WeaknessCWE-613
CISA KEVNo
Affected1 vendor(s)
PublishedJun 3, 2021

Related CVEs (CWE-613)

CVE-2018-21018
9.8
CVE-2020-29667
9.8
CVE-2025-54592
9.8
CVE-2016-6545
9.8
CVE-2016-5069
9.8
CVE-2021-40849
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-32923 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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