THREATPORT/VULNERABILITY/CVE-2022-30055
CRITICAL SEVERITY

CVE-2022-30055

Prime95 vulnerability

CVSS
9.8
EPSS
3.8%
EPSS pct
89th
Exploited
No known
Prime95 30.7 build 9 suffers from a Buffer Overflow vulnerability that could lead to Remote Code Execution.
Affected vendor
Mersenne
Affected product
Prime95
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-120 — Classic Buffer Overflow
Published
2022-05-16

Risk analysis

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

Its EPSS score of 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2022-30055

  • Confirm whether Mersenne Prime95 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-30055.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-30055

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-30055 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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