yzCMS 2.0 Token Check cross-site request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in yzCMS 2.0. It has been classified as problematic. The impacted element is an unknown function of the component Token Check Handler. Performing a manipulation results in cross-site request forgery. This vulnerability is identified as CVE-2020-20502. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in yzCMS 2.0. This affects an unknown code block of the component Token Check Handler. 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 found in yzCMS v.2.0 allows a remote attacker to execute arbitrary code via the token check function.

The weakness was released 06/20/2023 as 27. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2020-20502 since 08/13/2020. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
06/20/2023 +1041 days 🔍
06/20/2023 +0 days 🔍
04/25/2025 +675 days 🔍

Sourcesinfo

Advisory: 27
Status: Confirmed

CVE: CVE-2020-20502 (🔍)
GCVE (CVE): GCVE-0-2020-20502
GCVE (VulDB): GCVE-100-232041

Entryinfo

Created: 06/20/2023 19:14
Updated: 04/25/2025 11:03
Changes: 06/20/2023 19:14 (38), 07/16/2023 09:47 (11), 12/10/2024 22:36 (26), 04/25/2025 11:03 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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