PatchTheCVECVE-2025-63675: cryptidy through 1.2.4 allows code execution via untrusted data because pickle.loads is used
CVE-2025-63675 is a medium-severity flaw (CVSS 6.9) affecting cryptidy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
cryptidy through 1.2.4 allows code execution via untrusted data because pickle.loads is used. This occurs in aes_decrypt_message in symmetric_encryption.py.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.9 (Medium) |
| Attack vector | Local |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 83%) |
| CISA exploited list | No |
| Weakness | CWE-502 |
| Published | 2025-10-31 |
| Last modified | 2026-10-19 |
Last updated 2026-10-19 · 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-2025-63675?
cryptidy: upgrade to newer than 1.2.4. Exact commands for each OS are on this page.
Is CVE-2025-63675 being exploited?
CVE-2025-63675 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-2025-63675 affect?
CVE-2025-63675 affects cryptidy. Severity is medium (CVSS 6.9). cryptidy through 1.2.4 allows code execution via untrusted data because pickle.loads is used. This occurs in aes_decrypt_message in symmetric_encryption.py.
How urgent is CVE-2025-63675?
Priority 33/100. Public exploit reference