What is CVE-2019-3554?

CVE-2019-3554 is a medium-severity vulnerability in Facebook Wangle, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2019-01-15.

How severe is CVE-2019-3554?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Resource exhaustion in Facebook Wangle

CVE-2019-3554

Wangle's AcceptRoutingHandler incorrectly casts a socket when accepting a TLS 1.3 connection, leading to a potential denial of service attack against systems accepting such connections. This affects versions of Wangle prior to v2019.01.14…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.011 (60.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Facebook Wangle — versions v2019.01.14.00, unspecified

Weakness classification (CWE)

References

cve-assign@fb.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-3554?: CVE-2019-3554 is a medium-severity vulnerability in Facebook Wangle, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2019-01-15.
How severe is CVE-2019-3554?: Medium severity. CVSS v3 base score is 5.9 out of 10.