Vulnerability in Istio
CVE-2019-14993
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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.023 (83.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- discuss.istio.io/t/upcoming-security-updates-in-istio-1-2-4-and-1-1-13/3383 (Vendor Advisory)
- github.com/envoyproxy/envoy/issues/7728 (Exploit, Third Party Advisory, Issue Tracking)
- istio.io/blog/2019/istio-security-003-004/ (Vendor Advisory)
- gcc.gnu.org/bugzilla/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2019-14993?
- CVE-2019-14993 is a high-severity vulnerability in Istio, classified under Incorrect Regular Expression. CVSS score: 7.5/10. Published 2019-08-13.
- How severe is CVE-2019-14993?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-14993 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.