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CVE-2020-8150

Quick assessment

Affected
n/a Nextcloud Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud Server 19.0.1版本存在加密问题漏洞，攻击者可利用该漏洞降低加密方案的级别，破坏加密文件的完整性。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.29% · P19

Possible ATT&CK Techniques 1 AI

T1562.001
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I. Basic Information for CVE-2020-8150

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
加密问题
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud Server 19.0.1版本存在加密问题漏洞，攻击者可利用该漏洞降低加密方案的级别，破坏加密文件的完整性。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- Nextcloud Server 19.0.2 -

II. Public POCs for CVE-2020-8150

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III. Intelligence Information for CVE-2020-8150

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Mailing List Discussions for CVE-2020-8150 (3)

Other References for CVE-2020-8150 (2)

Same Patch Batch · n/a · 2020-11-09 · 20 CVEs total

CVE-2020-23138 Microweber 代码问题漏洞
CVE-2020-28349 ChirpStack Network Server 输入验证错误漏洞
CVE-2020-28351 Mitel ShoreTel 跨站脚本漏洞
CVE-2020-24353 Pega Platform 跨站脚本漏洞
CVE-2020-8276 Brave Desktop Privacy-preserving analytics system 安全漏洞
CVE-2020-8268 json8-merge-patch 输入验证错误漏洞
CVE-2020-8133 Nextcloud 数据伪造问题漏洞
CVE-2020-9300 Netflix Dispatch 安全漏洞
CVE-2020-9299 Netflix Dispatch 跨站脚本漏洞
CVE-2020-23136 Microweber 代码问题漏洞
CVE-2020-28373 多款NETGEAR设备缓冲区错误漏洞
CVE-2020-23139 Microweber 授权问题漏洞
CVE-2020-23140 Microweber 代码问题漏洞
CVE-2020-26542 Percona Server 授权问题漏洞
CVE-2020-27982 IceWarp Mail Server 跨站脚本漏洞
CVE-2020-28364 Locust 跨站脚本漏洞
CVE-2020-27977 Capasystems CapaSystems CapaInstaller 安全漏洞
CVE-2020-28371 ReadyTalk Avian 输入验证错误漏洞
CVE-2020-26168 Hazelcast 授权问题漏洞

IV. Related Vulnerabilities

Same product: Nextcloud Server
Same vendor: n/a
Same weakness: CWE-310

V. Comments for CVE-2020-8150

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