8.1
HIGH
CVE-2020-36254
Dropbear SCP Filename Handling Vulnerability
Description

scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.

INFO

Published Date :

Feb. 25, 2021, 9:15 a.m.

Last Modified :

Nov. 21, 2024, 5:29 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.2
Public PoC/Exploit Available at Github

CVE-2020-36254 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-36254 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Dropbear_ssh_project dropbear_ssh
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-2020-36254.

URL Resource
https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff Patch Third Party Advisory
https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff Patch 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).

linux related informations about RevoPoint Pop2

Updated: 8 months, 1 week ago
22 stars 2 fork 2 watcher
Born at : May 27, 2022, 10:30 a.m. This repo has been linked 4 different CVEs too.

BoltWrt是一款嵌入式路由器系统,它在OpenWrt的基础上,针对中国的用户需求和网络环境,添加了很多高级功能和特性.它的目标是打造一个高效,稳定,安全,易用的路由器系统.

openwrt

Makefile Awk Shell C Assembly C++ M4 CMake Perl Lex

Updated: 5 months ago
41 stars 9 fork 9 watcher
Born at : Jan. 22, 2021, 4:43 a.m. This repo has been linked 5 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-36254 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-36254 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Sep. 17, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:dropbear_project:dropbear:*:*:*:*:*:*:*:* versions from (excluding) 2020.79 OR *cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:* versions from (excluding) 2020.79
  • Initial Analysis by [email protected]

    Mar. 02, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff No Types Assigned https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff Patch, Third Party Advisory
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:dropbear_project:dropbear:*:*:*:*:*:*:*:* versions up to (excluding) 2020.79
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-36254 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-2020-36254 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.20 }} -0.02%

score

0.57361

percentile

CVSS31 - Vulnerability Scoring System
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