THREATPORT/VULNERABILITY/CVE-2020-8437
HIGH SEVERITY

CVE-2020-8437

Utorrent vulnerability

CVSS
7.5
EPSS
12.0%
EPSS pct
96th
Exploited
No known
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 vendor
Bittorrent
Affected product
Utorrent
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-476 — NULL Pointer Dereference
Published
2020-03-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 12.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2020-8437

  • Confirm whether Bittorrent Utorrent is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-8437.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-8437

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-8437 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2020-8437?

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