Overview
- Description
- An XSS (Cross Site Scripting) vulnerability was found in HelpSystems Cobalt Strike through 4.7 that allowed a remote attacker to execute HTML on the Cobalt Strike teamserver. To exploit the vulnerability, one must first inspect a Cobalt Strike payload, and then modify the username field in the payload (or create a new payload with the extracted information and then modify that username field to be malformed).
- Source
- cve@mitre.org
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 6.1
- Impact score
- 2.7
- Exploitability score
- 2.8
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Severity
- MEDIUM
Known exploits
Data from CISA
- Vulnerability name
- Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability
- Exploit added on
- Mar 30, 2023
- Exploit action due
- Apr 20, 2023
- Required action
- Apply updates per vendor instructions.
Weaknesses
- nvd@nist.gov
- CWE-79
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:helpsystems:cobalt_strike:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "905488EB-B145-4B5C-BF01-F4D73B372A61",
"versionEndIncluding": "4.7"
}
],
"operator": "OR"
}
]
}
]