What’s Vulnerable › Vulnerabilities

CVE-2020-8437

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 12.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-03-02 · updated 2026-06-17
• Weakness: 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 products

• uTorrent: through 3.5.5

References

• https://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.html
• https://forum.utorrent.com/forum/13-announcements/
• https://twitter.com/va_start
• https://utclient.utorrent.com/offers/beta_release_notes/release_notes.html
• https://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.html
• https://forum.utorrent.com/forum/13-announcements/
• https://twitter.com/va_start
• https://utclient.utorrent.com/offers/beta_release_notes/release_notes.html

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