CVE-2017-16639

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 82.5% of scored records. A rank, not a probability.

NVD base score

4.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-09-14 21:00Z7 YR AGO

Last updated

2024-08-05 20:27Z2 YR AGO

Reserved

2017-11-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

7bca37ac13192996b744f233bc54e53b380b9e7933359a22aef8d8bc93cea0cd

• www.wearesegment.comhttps://www.wearesegment.com/research/tor-browser-deanonymization-with-smb/x_refsource_MISC
• seclists.org20180912 CVE-2017-16639 - Tor Browser Deanonymization With SMBhttps://seclists.org/bugtraq/2018/Sep/29mailing-listx_refsource_BUGTRAQ
• packetstormsecurity.comhttp://packetstormsecurity.com/files/149351/Tor-Browser-SMB-Deanonymization-Information-Disclosure.htmlx_refsource_MISC
• www.securityfocus.com105346http://www.securityfocus.com/bid/105346vdb-entryx_refsource_BID