Risk Letters

Exploited vulnerability

CVE-2021-27103

TLP:CLEAR

Accellion FTA Server-Side Request Forgery (SSRF) Vulnerability

Accellion FTA contains a server-side request forgery (SSRF) vulnerability exploited via a crafted POST request to wmProgressstat.html.

Facts

  • Vendor: Accellion
  • Product: FTA
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 11.4 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 November 2021
  • First known exploitation: 3 November 2021
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 17 November 2021
  • Weakness: CWE-918
  • First seen by Risk Letters: 3 November 2021

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

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