Security readout for executives and security teams
Plain-English summary
Prime95 29.8 build 6 has a reported buffer overflow in configuration input fields. Successful exploitation could run attacker-controlled code. A public Exploit-DB reference exists, but the source bundle does not show CISA KEV listing or confirmed active exploitation.
Executive priority
Treat as high priority only where Prime95 29.8 build 6 is installed. The potential impact is severe, but business exposure may be narrow because Prime95 is specialized software rather than common enterprise infrastructure.
Technical view
CVE-2019-25327 is reported as a CWE-122 buffer overflow affecting Mersenne Research Prime95 29.8, specifically build 6. The issue is described in PrimeNet user ID and proxy host inputs and is rated CVSS 3.1 9.8 critical. Sources do not identify a vendor patch.
Likely exposure
Exposure is limited to systems with Prime95 29.8 build 6 installed. Risk is most relevant where the application is present on managed endpoints, lab machines, or servers and where configuration fields may receive untrusted or copied input.
Exploitation context
Exploit-DB and VulnCheck are cited as public exploit/advisory sources. The bundle does not support confirmed in-the-wild exploitation. The description references malicious input placed into PrimeNet identity and proxy configuration fields, so validate real-world attack requirements carefully.
Researcher notes
Evidence is incomplete. The bundle names Prime95 29.8 and build 6, but does not include a vendor advisory or fix. CVSS states network and no user interaction, while the description references pasting data into fields; confirm attack preconditions before final scoring.
Mitigation direction
- Inventory endpoints and servers for Prime95 29.8 build 6.
- Check Mersenne Research guidance for fixed versions or removal instructions.
- Upgrade, remove, or isolate affected Prime95 installations based on vendor guidance.
- Limit Prime95 configuration changes to trusted administrators.
- Monitor affected hosts for unexpected processes, listening services, or network connections.
Validation and detection
- Confirm Prime95 version and build from application metadata.
- Review software inventory for Mersenne Research Prime95 29.8.
- Verify whether vendor documentation names a fixed release.
- Check EDR logs on affected hosts for anomalous execution.
- Document whether Prime95 is required for business operations.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-122: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
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Open ATT&CK lookupCVE-2019-25327 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-47802CVE reference · exploit
- Vendor HomepageCVE reference · product
- VulnCheck Advisory: Prime95 Version 29.8 build 6 - Buffer Overflow (SEH)CVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.