CVEvulnerability
CVE-2020-8437
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-03-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-476
Description
The bencoding parser in BitTorrent uTorrent through 3.5.5 (build 45505) misparses nested bencoded dictionaries, which allows a remote attacker to cause a denial of service.
Affected configurations
• bittorrent utorrent (<= 3.5.5)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.html Exploit, Third Party Advisory
- https://forum.utorrent.com/forum/13-announcements/ Vendor Advisory
- https://twitter.com/va_start Third Party Advisory
- https://utclient.utorrent.com/offers/beta_release_notes/release_notes.html Release Notes, Vendor Advisory
- https://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.html Exploit, Third Party Advisory
- https://forum.utorrent.com/forum/13-announcements/ Vendor Advisory
- https://twitter.com/va_start Third Party Advisory
- https://utclient.utorrent.com/offers/beta_release_notes/release_notes.html Release Notes, Vendor Advisory