VulnerabilityModified
CVE-2021-27213
config.py in pystemon before 2021-02-13 allows code execution via YAML deserialization because SafeLoader and safe_load are not used.
CRITICAL 9.8EPSS 2.61%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
config.py in pystemon before 2021-02-13 allows code execution via YAML deserialization because SafeLoader and safe_load are not used.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.61% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- pystemon project/pystemon
- Source
- cve@mitre.org
References
- https://github.com/cvandeplas/pystemon/commit/dbeb87afefdb63de2f4cff69b6f10c5965d14b54Patch, Third Party Advisory
- https://www.huntr.dev/bounties/1-other-pystemon/Exploit, Third Party Advisory
- https://github.com/cvandeplas/pystemon/commit/dbeb87afefdb63de2f4cff69b6f10c5965d14b54Patch, Third Party Advisory
- https://www.huntr.dev/bounties/1-other-pystemon/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.