4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/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
0.926 High
EPSS
Percentile
99.0%
Nova noVNC contains an open redirect vulnerability. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
id: CVE-2021-3654
info:
name: Nova noVNC - Open Redirect
author: geeknik
severity: medium
description: Nova noVNC contains an open redirect vulnerability. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
impact: |
An attacker can exploit this vulnerability to redirect users to malicious websites, leading to potential phishing attacks.
remediation: |
Apply the latest security patches or updates provided by the vendor to fix the open redirect vulnerability in the Nova noVNC application.
reference:
- https://seclists.org/oss-sec/2021/q3/188
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3654
- https://bugs.python.org/issue32084
- https://opendev.org/openstack/nova/commit/04d48527b62a35d912f93bc75613a6cca606df66
- https://nvd.nist.gov/vuln/detail/CVE-2021-3654
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-2021-3654
cwe-id: CWE-601
epss-score: 0.92607
epss-percentile: 0.98994
cpe: cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
metadata:
max-request: 1
vendor: openstack
product: nova
tags: cve2021,cve,redirect,novnc,seclists,openstack
http:
- method: GET
path:
- '{{BaseURL}}//interact.sh/%2f..'
matchers-condition: and
matchers:
- type: regex
part: header
regex:
- '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)?(?:[a-zA-Z0-9\-_\.@]*)interact\.sh.*$'
- type: status
status:
- 302
- 301
# digest: 4a0a00473045022100aeef1ea5cff12a3a516d2d3bf9365f8a4fb1630dcf750973eda6f4c9e4e2b7d50220130d0586d6bdfdb83b140d56218ca387a28c8f270a400d1ac52682d44802c5d4:922c64590222798bb761d5b6d8e72950
4 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/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
0.926 High
EPSS
Percentile
99.0%