Vulnerability Name:

CVE-2021-22149 (CCN-209428)

Assigned:2021-08-03
Published:2021-08-03
Updated:2022-10-25
Summary:Elastic Enterprise Search App Search versions before 7.14.0 are vulnerable to an issue where API keys were missing authorization via an alternate route. Using this vulnerability, an authenticated attacker could utilize API keys belonging to higher privileged users.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.1 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N)
7.1 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
8.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-862
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-22149

Source: CCN
Type: Elasticsearch ESA-2021-20
Enterprise Search Privilege Escalation issue

Source: MISC
Type: Vendor Advisory
https://discuss.elastic.co/t/elastic-stack-7-14-0-security-update/280344

Source: XF
Type: UNKNOWN
elasticsearch-cve202122149-priv-esc(209428)

Source: MISC
Type: Vendor Advisory
https://www.elastic.co/community/security/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:elastic:enterprise_search:*:*:*:*:*:*:*:* (Version < 7.14.0)

    • * Denotes that component is vulnerable
    BACK
    elastic enterprise search *