9.8
CRITICAL
CVE-2023-4696
"GitHub usememos Memos Access Bypass Vulnerability"
Description

Improper Access Control in GitHub repository usememos/memos prior to 0.13.2.

INFO

Published Date :

Sept. 1, 2023, 1:15 a.m.

Last Modified :

Sept. 1, 2023, 1:06 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2023-4696 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-2023-4696 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 Usememos memos
: Total Affected Vendor : 1 | Products : 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-2023-4696.

URL Resource
https://github.com/usememos/memos/commit/c9aa2eeb9852047e4f41915eb30726bd25f07ecd Patch
https://huntr.dev/bounties/4747a485-77c3-4bb5-aab0-21253ef303ca Permissions Required

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).

Profile Photo
mnqazi/CVE-2023-4696

https://medium.com/@mnqazi/cve-2023-4696-account-takeover-due-to-improper-handling-of-jwt-tokens-in-memos-v0-13-2-13104e1412f3

Updated: 1 year, 2 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 1, 2023, 9:02 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
nomi-sec/PoC-in-GitHub

📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.

security cve exploit poc vulnerability

Updated: 2 months, 2 weeks ago
6375 stars 1107 fork 1107 watcher
Born at : Dec. 8, 2019, 1:03 p.m. This repo has been linked 904 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-2023-4696 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-4696 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
  • Initial Analysis by [email protected]

    Sep. 01, 2023

    Action Type Old Value New Value
    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://github.com/usememos/memos/commit/c9aa2eeb9852047e4f41915eb30726bd25f07ecd No Types Assigned https://github.com/usememos/memos/commit/c9aa2eeb9852047e4f41915eb30726bd25f07ecd Patch
    Changed Reference Type https://huntr.dev/bounties/4747a485-77c3-4bb5-aab0-21253ef303ca No Types Assigned https://huntr.dev/bounties/4747a485-77c3-4bb5-aab0-21253ef303ca Permissions Required
    Added CPE Configuration OR *cpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:* versions up to (excluding) 0.13.2
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-2023-4696 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-2023-4696 weaknesses.

CAPEC-19: Embedding Scripts within Scripts Embedding Scripts within Scripts CAPEC-441: Malicious Logic Insertion Malicious Logic Insertion CAPEC-478: Modification of Windows Service Configuration Modification of Windows Service Configuration CAPEC-479: Malicious Root Certificate Malicious Root Certificate CAPEC-502: Intent Spoof Intent Spoof CAPEC-503: WebView Exposure WebView Exposure CAPEC-536: Data Injected During Configuration Data Injected During Configuration CAPEC-546: Incomplete Data Deletion in a Multi-Tenant Environment Incomplete Data Deletion in a Multi-Tenant Environment CAPEC-550: Install New Service Install New Service CAPEC-551: Modify Existing Service Modify Existing Service CAPEC-552: Install Rootkit Install Rootkit CAPEC-556: Replace File Extension Handlers Replace File Extension Handlers CAPEC-558: Replace Trusted Executable Replace Trusted Executable CAPEC-562: Modify Shared File Modify Shared File CAPEC-563: Add Malicious File to Shared Webroot Add Malicious File to Shared Webroot CAPEC-564: Run Software at Logon Run Software at Logon CAPEC-578: Disable Security Software Disable Security Software
Exploit Prediction

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

0.22 }} 0.02%

score

0.60591

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
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Scope
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