CVE-2019-17240

CVE-2019-17240 is a critical-severity vulnerability in Bludit with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 40% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-307.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-17240?
CVE-2019-17240 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-17240 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 40% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17240?
CVE-2019-17240 affects Bludit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-17240?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-17240 published?
CVE-2019-17240 was published on 2019-10-06 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Bludit

All CVEs affecting Bludit →

Other CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities

Browse all CWE-307 (Improper Restriction of Excessive Authentication Attempts) vulnerabilities →