Is CVE-2019-12995 actively exploited?

CVE-2019-12995 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2019-12995?

CVE-2019-12995 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2019-12995?

Patch guidance is available from istio security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2019-12995.

Fix CVE-2019-12995 - HIGH istio istio

Description

Istio before 1.2.2 mishandles certain access tokens, leading to "Epoch 0 terminated with an error" in Envoy. This is related to a jwt_authenticator.cc segmentation fault.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-476 · NULL Pointer Dereference

Metadata

Primary Vendor: ISTIO
Published: 6/28/2019
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

istio : istio

Remediation Guidance

Executive Summary

Cite this page

CVE-2019-12995. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2019-12995

View on NIST NVD

CVE-2019-12995 vulnerability