CVE-2021-34824
Istio Exposure of Credentials Across Namespaces
Description
Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces.
INFO
Published Date :
June 29, 2021, 2:15 p.m.
Last Modified :
July 12, 2022, 5:42 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2021-34824 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-34824.
| URL | Resource |
|---|---|
| https://github.com/istio/istio/releases | Release Notes Third Party Advisory |
| https://istio.io/latest/news/security/istio-security-2021-007 | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
reproducing an old istio bug
Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-34824 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-34824 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-668 NVD-CWE-noinfo -
Modified Analysis by [email protected]
Sep. 20, 2021
Action Type Old Value New Value -
CVE Modified by [email protected]
Jul. 07, 2021
Action Type Old Value New Value Changed Description Istio before 1.9.6 and 1.10.x before 1.10.2 has Incorrect Access Control. Istio (1.8.x, 1.9.0-1.9.5 and 1.10.0-1.10.1) contains a remotely exploitable vulnerability where credentials specified in the Gateway and DestinationRule credentialName field can be accessed from different namespaces. -
Initial Analysis by [email protected]
Jul. 02, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/istio/istio/releases No Types Assigned https://github.com/istio/istio/releases Release Notes, Third Party Advisory Changed Reference Type https://istio.io/latest/news/security/istio-security-2021-007 No Types Assigned https://istio.io/latest/news/security/istio-security-2021-007 Vendor Advisory Added CWE NIST CWE-668 Added CPE Configuration OR *cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:* versions from (including) 1.8.0 up to (excluding) 1.9.6 *cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:* versions from (including) 1.10.0 up to (excluding) 1.10.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-34824 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-34824
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.00%
score
0.40900
percentile