High severity · published Jun 28, 2019
CVE-2019-12995
Istio before 1.2.2 mishandles certain access tokens, leading to "Epoch 0 terminated with an error" in Envoy
7.5
CVSS
2.2%
EPSS
No
On KEV
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 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 interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IS
Istio · Istio
before 1.2.2 · source: NVD
Affected product
IS
Istio
Istio
More from Istio
9.8
CVE-2026-111497
Out-of-Bounds Write in Google Brotli Decoder
9.8
CVE-2022-31045
Istio is an open platform to connect, manage, and secure microservices
9.8
CVE-2022-21679
Istio is an open platform to connect, manage, and secure microservices
9.8
CVE-2021-31921
Istio before 1.8.6 and 1.9.x before 1.9.5 contains a remotely exploitable vulnerability where an external client can access unexpected services in the cluster, bypassing…
8.8
CVE-2022-21701
Istio is an open platform to connect, manage, and secure microservices