CVE-2015-4016 json
The client detection protocol in Valve Steam allows remote attackers to cause a denial of service (process crash) via a crafted response to…
published 11y ago modified 4mo ago also EUVD-2015-4046
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
The client detection protocol in Valve Steam allows remote attackers to cause a denial of service (process crash) via a crafted response to a broadcast packet.
Patch / fix
Is CVE-2015-4016 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
2.97% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
store.steampowered.com
/news/16801/
patch, vendor-advisory
-
securityfocus.com
/bid/74735
vdb-entry, third-party-advisory
-
zerodayinitiative.com
/advisories/ZDI-15-233/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2015-4016
- NVD CVE-2015-4016
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.