What is CVE-2018-6018?

CVE-2018-6018 is a critical-severity vulnerability in Tinder, classified under Cleartext Transmission of Sensitive Information. CVSS score: 9.1/10. Published 2018-01-24.

How severe is CVE-2018-6018?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Tinder

CVE-2018-6018

Fixed sizes of HTTPS responses in Tinder iOS app and Tinder Android app allow an attacker to extract private sensitive information by sniffing network traffic.

Published 2018-01-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Tinder

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

www.wired.com/story/tinder-lack-of-encryption-lets-strangers-spy-on-swipes/ (Third Party Advisory, Press/Media Coverage)
www.checkmarx.com/2018/01/23/tinder-someone-may-watching-swipe-2/ (Third Party Advisory)

Frequently asked questions

What is CVE-2018-6018?: CVE-2018-6018 is a critical-severity vulnerability in Tinder, classified under Cleartext Transmission of Sensitive Information. CVSS score: 9.1/10. Published 2018-01-24.
How severe is CVE-2018-6018?: Critical severity. CVSS v3 base score is 9.1 out of 10.