CVE-2019-14993

Public Exploit

Description

Istio before 1.1.13 and 1.2.x before 1.2.4 mishandles regular expressions for long URIs, leading to a denial of service during use of the JWT, VirtualService, HTTPAPISpecBinding, or QuotaSpecBinding API.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.78% Top 30%
Vendor Advisory istio.io Vendor Advisory istio.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://discuss.istio.io/t/upcoming-security-updates-in-istio-1-2-4-and-1-1-13/3383 vendor advisory
https://github.com/envoyproxy/envoy/issues/7728 third party advisory issue tracking exploit
https://istio.io/blog/2019/istio-security-003-004/ vendor advisory
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86164 third party advisory issue tracking exploit

Frequently Asked Questions

What is the severity of CVE-2019-14993?
CVE-2019-14993 has been scored as a high severity vulnerability.
How to fix CVE-2019-14993?
To fix CVE-2019-14993, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-14993 being actively exploited in the wild?
It is possible that CVE-2019-14993 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.