PatchTheCVECVE-2022-23651: b2-sdk-python is a python library to access cloud storage provided by backblaze
CVE-2022-23651 is a medium-severity flaw (CVSS 4.7) affecting b2 python software development kit, b2 python software development kit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.7 (Medium) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 88%) |
| CISA exploited list | No |
| Weakness | CWE-367 |
| Published | 2022-02-23 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-23651?
b2 python software development kit: upgrade to newer than 1.14.0; b2 python software development kit: upgrade to newer than 1.14.0. Exact commands for each OS are on this page.
Is CVE-2022-23651 being exploited?
CVE-2022-23651 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-23651 affect?
CVE-2022-23651 affects b2 python software development kit, b2 python software development kit. Severity is medium (CVSS 4.7). 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 attack
How urgent is CVE-2022-23651?
Priority 20/100. No elevated risk signals yet.