CISA KEV · Known exploitedCritical

CVE-2022-42948

Fortra Cobalt Strike

Cobalt Strike 4.7.1 fails to properly escape HTML tags when they are displayed on Swing components. By injecting crafted HTML code, it is possible to remotely execute code in the Cobalt Strike UI.

CVSS
9.8
EPSS
2.71%
84.5% percentile
CISA KEV
Listed
Published
2023.03.24
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability2.71%
Technical severityCVSS 9.8

Vulnerability overview

Cobalt Strike 4.7.1 fails to properly escape HTML tags when they are displayed on Swing components. By injecting crafted HTML code, it is possible to remotely execute code in the Cobalt Strike UI.

Affected product and versions

Product
Fortra Cobalt Strike
Affected versions
4.7.1
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2023.04.20
  1. 1
    Identify

    Confirm that Fortra Cobalt Strike and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-116, CWE-79
KEV added
2023.03.30
Ransomware use
미확인
CVE-2022-42948 — Fortra Cobalt Strike | SECUFOCUS NOW