CVE-2017-3898
A man-in-the-middle attack vulnerability in the non-certificate-based authentication mechanism in McAfee LiveSafe (MLS) versions prior to 16.0.3 allows network attackers to modify the Windows registry value associated with the McAfee update via the HTTP…
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 3.2%. Treat it as high on anything reachable from the internet.
Description
A man-in-the-middle attack vulnerability in the non-certificate-based authentication mechanism in McAfee LiveSafe (MLS) versions prior to 16.0.3 allows network attackers to modify the Windows registry value associated with the McAfee update via the HTTP backend-response.
- CVSS 3.0
- 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 3.18% probability · 88th percentile
- Public exploits
- 1 in Exploit-DB · first 7 September 2017
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- mcafee/livesafe
- Source
- secure@intel.com
EPSS 3.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.