HOMEVULNERABILITIESCVE-2020-12757
CRITICAL

CVE-2020-12757

CWE-269Published: June 10, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

HashiCorp Vault and Vault Enterprise 1.4.0 and 1.4.1, when configured with the GCP Secrets Engine, may incorrectly generate GCP Credentials with the default time-to-live lease duration instead of the engine-configured setting. This may lead to generated GCP credentials being valid for longer than intended. Fixed in 1.4.2.

NVD Source

Technical Analysis

CVE-2020-12757 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), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

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

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://github.com/hashicorp/vault/blob/master/CHANGELOG.md#142-may-21st-2020
ADVISORYhttps://www.hashicorp.com/blog/category/vault/
ADVISORYhttps://github.com/hashicorp/vault/blob/master/CHANGELOG.md#142-may-21st-2020
ADVISORYhttps://www.hashicorp.com/blog/category/vault/

All References (4)

→
https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#142-may-21st-2020Release Notes · Vendor Advisory
→
https://www.hashicorp.com/blog/category/vault/Vendor Advisory
→
https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#142-may-21st-2020Release Notes · Vendor Advisory
→
https://www.hashicorp.com/blog/category/vault/Vendor Advisory

Quick Facts

CVE IDCVE-2020-12757
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-269
CISA KEVNo
Affected1 vendor(s)
PublishedJun 10, 2020

Related CVEs (CWE-269)

CVE-2022-24783
10.0
CVE-2025-0505
10.0
CVE-2024-6240
10.0
CVE-2026-31852
10.0
CVE-2021-1388
10.0
CVE-2018-4310
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-12757 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.
← All Vulnerabilities·Search for CVE-2020-12757·NVD