CVE-2020-13775
ZNC NULL Pointer Dereference Downing
Description
ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.
INFO
Published Date :
June 2, 2020, 11:15 p.m.
Last Modified :
Nov. 7, 2023, 3:16 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
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-2020-13775.
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-2020-13775 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-13775 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 -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/ -
Modified Analysis by [email protected]
Jan. 27, 2023
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 03, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/ [No Types Assigned] -
CVE Modified by [email protected]
Jul. 01, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/ [No Types Assigned] -
Modified Analysis by [email protected]
Jun. 16, 2020
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:N/A:P) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001 No Types Assigned https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001 Patch, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:znc:znc:*:*:*:*:*:*:*:* versions up to (including) 1.8.0 OR *cpe:2.3:a:znc:znc:1.8.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jun. 15, 2020
Action Type Old Value New Value Changed Description ZNC 1.8.0 up to 1.8.1-rc1 allows attackers to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network. ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network. -
CVE Modified by [email protected]
Jun. 03, 2020
Action Type Old Value New Value Changed Description ZNC before 1.8.1-rc1 allows attackers to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network. ZNC 1.8.0 up to 1.8.1-rc1 allows attackers to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network. Added Reference https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001 [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 03, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/znc/znc/commit/2390ad111bde16a78c98ac44572090b33c3bd2d8 No Types Assigned https://github.com/znc/znc/commit/2390ad111bde16a78c98ac44572090b33c3bd2d8 Patch, Third Party Advisory Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:a:znc:znc:*:*:*:*:*:*:*:* versions up to (including) 1.8.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-13775 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-2020-13775
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.19 }} 0.02%
score
0.57186
percentile