THREATPORT/VULNERABILITY/CVE-2017-15361
MEDIUM SEVERITY

CVE-2017-15361

Trusted Platform Firmware vulnerability

CVSS
5.9
EPSS
9.8%
EPSS pct
95th
Exploited
No known
The Infineon RSA library 1.02.013 in Infineon Trusted Platform Module (TPM) firmware, such as versions before 0000000000000422 - 4.34, before 000000000000062b - 6.43, and before 0000000000008521 - 133.33, mishandles RSA key generation, which makes it easier for attackers to defeat various cryptographic protection mechanisms via targeted attacks, aka ROCA. Examples of affected technologies include BitLocker with TPM 1.2, YubiKey 4 (before 4.3.5) PGP key generation, and the Cached User Data encryption feature in Chrome OS.
Affected vendor
Infineon
Affected product
Trusted Platform Firmware
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2017-10-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 9.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2017-15361

  • Confirm whether Infineon Trusted Platform Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-15361.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-15361

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-15361 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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