What is CVE-2019-15225?

CVE-2019-15225 is a high-severity vulnerability in Envoyproxy Envoy, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2019-08-19.

How severe is CVE-2019-15225?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2019-15225 known to be exploited?

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

Resource exhaustion in Envoyproxy Envoy

CVE-2019-15225

In Envoy through 1.11.1, users may configure a route to match incoming path headers via the libstdc++ regular expression implementation. A remote attacker may send a request with a very long URI to result in a denial of service (memory consumption). This is a related issue to CVE-2019-14993.

EPSS: 0.034 (87.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Envoyproxy Envoy
N/a — versions n/a

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

dgn/killenvoy

References

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

Frequently asked questions

What is CVE-2019-15225?: CVE-2019-15225 is a high-severity vulnerability in Envoyproxy Envoy, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2019-08-19.
How severe is CVE-2019-15225?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2019-15225 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.