Risk Letters

Exploited vulnerability

CVE-2022-39197

TLP:CLEAR

Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability

Fortra Cobalt Strike contains a cross-site scripting (XSS) vulnerability in Teamserver that would allow an attacker to set a malformed username in the Beacon configuration, allowing them to execute code remotely.

Facts

  • Vendor: Fortra
  • Product: Cobalt Strike
  • CVSS: 6.1
  • EPSS (probability of exploitation within 30 days): 44.1 %
  • On CISA's Known Exploited Vulnerabilities list since: 30 March 2023
  • First known exploitation: 30 March 2023
  • CISA's deadline for US federal agencies: 20 April 2023
  • Weakness: CWE-20
  • First seen by Risk Letters: 30 March 2023

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD