What is CVE-2018-15680?

CVE-2018-15680 is a critical-severity vulnerability in Btiteam Xbtit, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 9.8/10. Published 2018-09-05.

How severe is CVE-2018-15680?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Btiteam Xbtit

CVE-2018-15680

An issue was discovered in BTITeam XBTIT 2.5.4. The hashed passwords stored in the xbtit_users table are stored as unsalted MD5 hashes, which makes it easier for context-dependent attackers to obtain cleartext values via a brute-force attack.

Published 2018-09-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.3th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Btiteam Xbtit — versions 2.5.4

Weakness classification (CWE)

CWE-916 — Use of Password Hash With Insufficient Computational Effort

References

rastating.github.io/xbtit-multiple-vulnerabilities/ (Exploit, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2018-15680?: CVE-2018-15680 is a critical-severity vulnerability in Btiteam Xbtit, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 9.8/10. Published 2018-09-05.
How severe is CVE-2018-15680?: Critical severity. CVSS v3 base score is 9.8 out of 10.