PatchTheCVECVE-2021-32795: ArchiSteamFarm is a C# application with primary purpose of idling Steam cards from multiple accounts simultane
CVE-2021-32795 is a medium-severity flaw (CVSS 6.5) affecting archisteamfarm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
ArchiSteamFarm is a C# application with primary purpose of idling Steam cards from multiple accounts simultaneously. In versions prior to 4.3.1.0 a Denial of Service (aka DoS) vulnerability which allows attacker to remotely crash running ASF instance through sending a specifically-crafted Steam chat message exists. The user sending the message does not need to be authorized within the bot or ASF process. The attacker needs to know ASF's `CommandP
Why this priority
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.7% (top 23%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2021-07-26 |
| 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-2021-32795?
archisteamfarm: upgrade to 4.3.1.0. Exact commands for each OS are on this page.
Is CVE-2021-32795 being exploited?
CVE-2021-32795 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-2021-32795 affect?
CVE-2021-32795 affects archisteamfarm. Severity is medium (CVSS 6.5). ArchiSteamFarm is a C# application with primary purpose of idling Steam cards from multiple accounts simultaneously. In versions prior to 4.3.1.0 a Denial of Service (aka DoS) vulnerability which allows attacker to remotely crash running AS
How urgent is CVE-2021-32795?
Priority 52/100. Public exploit reference; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2022-23627 MEDIUM 5.0 UPGRADE ArchiSteamFarm (ASF) is a C# application with primary purpose of idling Steam cards from multiple accounts sim
- CVE-2021-32794 MEDIUM 6.8 UPGRADE ArchiSteamFarm is a C# application with primary purpose of idling Steam cards from multiple accounts simultane