CVE-2020-8920
Gerrit Access Verification Bypass Information Leak
Description
An information leak vulnerability exists in Gerrit versions prior to 2.14.22, 2.15.21, 2.16.25, 3.0.15, 3.1.10, 3.2.5 where an overoptimization with the FilteredRepository wrapper skips the verification of access on All-Users repositories, allowing an attacker to get read access to all users' personal information associated with their accounts.
INFO
Published Date :
Dec. 10, 2020, 11:15 a.m.
Last Modified :
Oct. 7, 2021, 5:08 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
1.4
Exploitability Score :
2.1
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-2020-8920.
| URL | Resource |
|---|---|
| https://gerrit.googlesource.com/gerrit/+/45071d6977932bca5a1427c8abad24710fed2e33 | Issue Tracking Patch Vendor Advisory |
| https://www.gerritcodereview.com/2.14.html#21422 | Release Notes Vendor Advisory |
| https://www.gerritcodereview.com/2.15.html#21521 | Release Notes Vendor Advisory |
| https://www.gerritcodereview.com/2.16.html#21625 | Release Notes Vendor Advisory |
| https://www.gerritcodereview.com/3.0.html#3014 | Release Notes Vendor Advisory |
| https://www.gerritcodereview.com/3.1.html#3110 | Release Notes Vendor Advisory |
| https://www.gerritcodereview.com/3.2.html#325 | Release Notes 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-8920 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-8920 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 -
Reanalysis by [email protected]
Oct. 07, 2021
Action Type Old Value New Value Removed CWE NIST CWE-863 Added CWE NIST NVD-CWE-Other -
Initial Analysis by [email protected]
Dec. 16, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:A/AC:L/Au:S/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Changed Reference Type https://gerrit.googlesource.com/gerrit/+/45071d6977932bca5a1427c8abad24710fed2e33 No Types Assigned https://gerrit.googlesource.com/gerrit/+/45071d6977932bca5a1427c8abad24710fed2e33 Issue Tracking, Patch, Vendor Advisory Changed Reference Type https://www.gerritcodereview.com/2.14.html#21422 No Types Assigned https://www.gerritcodereview.com/2.14.html#21422 Release Notes, Vendor Advisory Changed Reference Type https://www.gerritcodereview.com/2.15.html#21521 No Types Assigned https://www.gerritcodereview.com/2.15.html#21521 Release Notes, Vendor Advisory Changed Reference Type https://www.gerritcodereview.com/2.16.html#21625 No Types Assigned https://www.gerritcodereview.com/2.16.html#21625 Release Notes, Vendor Advisory Changed Reference Type https://www.gerritcodereview.com/3.0.html#3014 No Types Assigned https://www.gerritcodereview.com/3.0.html#3014 Release Notes, Vendor Advisory Changed Reference Type https://www.gerritcodereview.com/3.1.html#3110 No Types Assigned https://www.gerritcodereview.com/3.1.html#3110 Release Notes, Vendor Advisory Changed Reference Type https://www.gerritcodereview.com/3.2.html#325 No Types Assigned https://www.gerritcodereview.com/3.2.html#325 Release Notes, Vendor Advisory Added CWE NIST CWE-863 Added CPE Configuration OR *cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:* versions from (including) 2.14.0 up to (excluding) 2.14.22 *cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:* versions from (including) 2.15.0 up to (excluding) 2.15.21 *cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:* versions from (including) 2.16.0 up to (excluding) 2.16.25 *cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:* versions from (including) 3.0.0 up to (excluding) 3.0.15 *cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:* versions from (including) 3.1.0 up to (excluding) 3.1.10 *cpe:2.3:a:google:gerrit:*:*:*:*:*:*:*:* versions from (including) 3.2.0 up to (excluding) 3.2.5
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-8920 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-2020-8920
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.25975
percentile