Vulnerability Details : CVE-2020-8437
Potential exploit
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.
Vulnerability category: Denial of service
Products affected by CVE-2020-8437
- cpe:2.3:a:bittorrent:utorrent:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8437
20.73%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 95 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8437
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-8437
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-8437
-
https://twitter.com/va_start
(🎃,🧛🏻♂️, ...) (@va_start) | TwitterThird Party Advisory
-
https://blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.html
uTorrent CVE-2020-8437 Vulnerability And Exploit OverviewExploit;Third Party Advisory
-
https://utclient.utorrent.com/offers/beta_release_notes/release_notes.html
μTorrent Beta client release notesRelease Notes;Vendor Advisory
-
https://forum.utorrent.com/forum/13-announcements/
Announcements - µTorrent Community ForumsVendor Advisory
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