{"id":61328,"date":"2025-08-07T18:19:54","date_gmt":"2025-08-07T18:19:54","guid":{"rendered":""},"modified":"2025-10-04T00:32:23","modified_gmt":"2025-10-04T06:32:23","slug":"cve-2025-6000-privilege-escalation-vulnerability-in-vault-s-configuration","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6000-privilege-escalation-vulnerability-in-vault-s-configuration\/","title":{"rendered":"CVE-2025-6000: Privilege Escalation Vulnerability in Vault’s Configuration<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The Common Vulnerabilities and Exposures (CVE) system has recently identified a critical vulnerability, CVE-2025-6000, within the configuration of Vault, a popular tool used for securing, storing, and controlling access to tokens, passwords, certificates, API keys, and other secrets in modern computing. This security flaw poses a significant risk to privileged Vault operators who have write permission to the {{sys\/audit}} within the root namespace, potentially enabling them to execute code on the underlying host if a plugin directory is set in Vault\u2019s configuration.
\nThis vulnerability is of particular concern due to its impact on potential system compromise or data leakage, posing a serious threat to the confidentiality, integrity, and availability of sensitive data<\/a>. The severity of the flaw, with a CVSS score of 9.1, emphasizes its critical nature and the urgency with which it must be addressed.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-6000
\nSeverity: Critical – CVSS 9.1
\nAttack Vector: Local
\nPrivileges Required: High (Vault operator within the root namespace with write permission<\/a> to {{sys\/audit}})
\nUser Interaction: None
\nImpact: Code execution on the underlying host leading to potential system<\/a> compromise or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Vault Community Edition | Versions prior<\/a> to 1.20.1
\nVault Enterprise | Versions prior<\/a> to 1.20.1, 1.19.7, 1.18.12, and 1.16.23<\/p>\n

How the Exploit Works<\/strong><\/p>\n

This vulnerability arises when a privileged<\/a> Vault operator within the root namespace has write permission to {{sys\/audit}} and a plugin directory is set in Vault\u2019s configuration. This configuration flaw allows the operator to arbitrarily write audit log entries, which can lead to a potential overflow<\/a> of the audit log. An attacker could exploit this flaw to execute arbitrary<\/a> code on the underlying host system, thereby compromising the system and potentially leading to data leakage.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

The following conceptual code illustrates how the vulnerability<\/a> might be exploited.<\/p>\n

# Assume the operator has write permission to {{sys\/audit}}\nvault write sys\/audit\/file\/log_raw true\nvault write sys\/audit\/file\/enable true\n# The operator can now make arbitrary audit log entries\nvault write sys\/audit\/log\/entry data='{\"malicious_code\":\"...\"}'<\/code><\/pre>\n
The above conceptual example is an oversimplification of the exploit, but it illustrates the overall mechanism of the vulnerability<\/a>. The actual exploit would likely involve more complex code and manipulation of the system’s<\/a> internals.
\nThe immediate step to mitigate this vulnerability is to apply the vendor-provided patches or use Web<\/a> Application Firewalls (WAF) or Intrusion Detection Systems (IDS) as temporary mitigation.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The Common Vulnerabilities and Exposures (CVE) system has recently identified a critical vulnerability, CVE-2025-6000, within the configuration of Vault, a popular tool used for securing, storing, and controlling access to tokens, passwords, certificates, API keys, and other secrets in modern computing. This security flaw poses a significant risk to privileged Vault operators who have […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[76],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-61328","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-privilege-escalation"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t