PatchTheCVECVE-2020-9526: CS2 Network P2P through 3.x, as used in millions of Internet of Things devices, suffers from an information ex
CVE-2020-9526 is a medium-severity flaw (CVSS 5.9) affecting p2p. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
CS2 Network P2P through 3.x, as used in millions of Internet of Things devices, suffers from an information exposure flaw that exposes user session data to supernodes in the network, as demonstrated by passively eavesdropping on user video/audio streams, capturing credentials, and compromising devices.
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
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-2020-9526?
p2p: upgrade to newer than 3.0.3a. Exact commands for each OS are on this page.
Is CVE-2020-9526 being exploited?
CVE-2020-9526 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-2020-9526 affect?
CVE-2020-9526 affects p2p. Severity is medium (CVSS 5.9). CS2 Network P2P through 3.x, as used in millions of Internet of Things devices, suffers from an information exposure flaw that exposes user session data to supernodes in the network, as demonstrated by passively eavesdropping on user video/
How urgent is CVE-2020-9526?
Priority 38/100. Remotely exploitable, no login, no user action
Related CVEs
- CVE-2020-9525 HIGH 8.1 UPGRADE CS2 Network P2P through 3.x, as used in millions of Internet of Things devices, suffers from an authentication