VDB-217053 · CVE-2022-4850 · GCVE-0-2022-4850

usememos up to 0.9.0 cross-site request forgery

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in usememos memos up to 0.9.0. Affected by this issue is some unknown functionality. Performing a manipulation results in cross-site request forgery. This vulnerability was named CVE-2022-4850. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in usememos memos up to 0.9.0. This affects an unknown code. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. CWE is classifying the issue as CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. This is going to have an impact on integrity. The summary by CVE is:

Cross-Site Request Forgery (CSRF) in GitHub repository usememos/memos prior to 0.9.1.

The weakness was presented 12/30/2022. The advisory is shared at huntr.dev. This vulnerability is uniquely identified as CVE-2022-4850 since 12/29/2022. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 0.9.1 eliminates this vulnerability. Applying the patch c9bb2b785dc5852655405d5c9ab127a2d5aa3948 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

usememos

Name

memos

Version

License

open-source

Website

Product: https://github.com/usememos/memos/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (huntr.dev): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: memos 0.9.1
Patch: c9bb2b785dc5852655405d5c9ab127a2d5aa3948

Timelineinfo

12/29/2022 🔍
12/30/2022 +1 days 🔍
12/30/2022 +0 days 🔍
01/26/2023 +27 days 🔍

Sourcesinfo

Product: github.com

Advisory: c9bb2b785dc5852655405d5c9ab127a2d5aa3948
Status: Confirmed

CVE: CVE-2022-4850 (🔍)
GCVE (CVE): GCVE-0-2022-4850
GCVE (VulDB): GCVE-100-217053

Entryinfo

Created: 12/30/2022 12:36
Updated: 01/26/2023 09:08
Changes: 12/30/2022 12:36 (51), 01/26/2023 09:03 (1), 01/26/2023 09:08 (11)
Complete: 🔍
Cache ID: 216::103