What is CVE-2019-17240?

CVE-2019-17240 is a critical-severity vulnerability in Bludit, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2019-10-06.

How severe is CVE-2019-17240?

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

Is CVE-2019-17240 known to be exploited?

38 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Bludit

CVE-2019-17240

bl-kernel/security.class.php in Bludit 3.9.2 allows attackers to bypass a brute-force protection mechanism by using many different forged X-Forwarded-For or Client-IP HTTP headers.

EPSS: 0.396 (98.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Bludit — versions 3.9.2
N/a — versions n/a

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC)
cve@mitre.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2019-17240?: CVE-2019-17240 is a critical-severity vulnerability in Bludit, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2019-10-06.
How severe is CVE-2019-17240?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-17240 known to be exploited?: 38 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.