CVE-2020-27780
Linux-Pam Empty Password Vulnerability
Description
A flaw was found in Linux-Pam in versions prior to 1.5.1 in the way it handle empty passwords for non-existing users. When the user doesn't exist PAM try to authenticate with root and in the case of an empty password it successfully authenticate.
INFO
Published Date :
Dec. 18, 2020, 12:15 a.m.
Last Modified :
Dec. 28, 2020, 7:11 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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-2020-27780.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1901094 | Issue Tracking Third Party 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-2020-27780 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-27780 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]
Dec. 28, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.1 OR *cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:* versions from (including) 1.5.0 up to (excluding) 1.5.1 -
Initial Analysis by [email protected]
Dec. 22, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1901094 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1901094 Issue Tracking, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-27780 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-2020-27780
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.18 }} 0.02%
score
0.54848
percentile