backblaze 相关的公开 CVE 漏洞与安全风险信息，提供 CVSS、EPSS、公开时间与漏洞情报数据，帮助评估潜在风险与修复优先级。
| CVE | 摘要 | 来源 | 最高 CVSS | EPSS % | 公开时间 | 更新时间 |
|---|---|---|---|---|---|---|
| CVE-2022-23653 | B2 Command Line Tool is the official command line tool for the backblaze cloud storage service. Linux and Mac releases of the B2 command-line tool version 3.2.0 and below contain a key disclosure vulnerability that, in certain conditions, can be exploited by local attackers through a time-of-check-time-of-use (TOCTOU) race condition. The command line tool saves API keys (and bucket name-to-id mapping) in a local database file (`$XDG_CONFIG_HOME/b2/account_info`, `~/.b2_account_info` or a user-de | [email protected] | 4.7 | 0.20% | 2022-02-23 | 2026-06-17 |
| CVE-2022-23651 | b2-sdk-python is a python library to access cloud storage provided by backblaze. Linux and Mac releases of the SDK version 1.14.0 and below contain a key disclosure vulnerability that, in certain conditions, can be exploited by local attackers through a time-of-check-time-of-use (TOCTOU) race condition. SDK users of the SqliteAccountInfo format are vulnerable while users of the InMemoryAccountInfo format are safe. The SqliteAccountInfo saves API keys (and bucket name-to-id mapping) in a local da | [email protected] | 4.7 | 0.21% | 2022-02-23 | 2026-06-17 |
| CVE-2020-8290 | Backblaze for Windows and Backblaze for macOS before 7.0.0.439 suffer from improper privilege management in `bztransmit` helper due to lack of permission handling and validation before creation of client update directories allowing for local escalation of privilege via rogue client update binary. | [email protected] | 7.8 | 0.58% | 2020-12-26 | 2026-06-16 |
| CVE-2020-8289 | Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434 suffer from improper certificate validation in `bztransmit` helper due to hardcoded whitelist of strings in URLs where validation is disabled leading to possible remote code execution via client update functionality. | [email protected] | 7.8 | 4.66% | 2020-12-26 | 2026-06-16 |