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Known exploited vulnerability

CVE-2022-39197

mediumCVSS 3.1 6.1In CISA KEVEPSS 44%Published · n/a

The short answer

CVE-2022-39197 affects n/a n/a and is rated medium (CVSS 6.1). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-03-30: attackers are using it, so patch it first.

What it is

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).

Weakness: CWE-79.

Severity

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploited (CISA KEV)

Yes, since Mar 30, 2023

Federal due date Apr 20, 2023

EPSS, next 30 days

44%

Higher than 99% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

What CISA says to do

Apply updates per vendor instructions.

Affected products

n/a. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2022-39197 being exploited?

Yes. CISA added CVE-2022-39197 to its Known Exploited Vulnerabilities catalog on 2023-03-30, with a federal remediation due date of 2023-04-20.

How do I fix CVE-2022-39197?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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