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.
Conclusion & alert: CVE-2022-42948 is rated Critical Active Threat (98/100): CVSS Critical severity, with high exploitation likelihood (EPSS 22.06%, 96th percentile). Core evidence: CISA KEV confirms active exploitation (added 2023-03-30) affecting Fortra / Cobalt Strike. a weakness (CWE-116) Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
: Fortra Cobalt Strike User Interface Remote Code Execution Vulnerability · CISA KEV detail
: 2023-03-30
: 2023-04-20
: Apply updates per vendor instructions.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-16 | 21.82% | 22.06% | +0.25% |
| 2 | 2026-05-06 | 22.06% | 21.82% | -0.25% |
| 3 | 2026-04-14 | — | 22.06% | — |
Full EPSS history (45 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| helpsystems | cobalt_strike | 4.7.1 | cpe:2.3:a:helpsystems:cobalt_strike:4.7.1:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://thesecmaster.com/how-to-fix-cve-2022-42948-a-critical-rce-vulnerability-in-cobalt-strike/ | Technical Description Third Party Advisory |
| https://www.cobaltstrike.com/blog/ | Vendor Advisory |
| https://www.redpacketsecurity.com/helpsystems-cobalt-strike-code-execution-cve-2022-42948/ | Third Party Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42948 | US Government Resource |