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Fencer Vulns
medium 6.5

CVE-2020-9770 json

A logic issue was addressed with improved state management.

published 2020-04-01 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30549

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

A logic issue was addressed with improved state management. This issue is fixed in iOS 13.4 and iPadOS 13.4. An attacker in a privileged network position may be able to intercept Bluetooth traffic.

Patch / fix

  • Apple iOS iOS 13.4 and iPadOS 13.4

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-9770 updated cvss 6.6

bluez: BLESA bluetooth attack

  • Red Hat Enterprise Linux 7 bluez, bluez-cups, bluez-libs, bluez-hid2hci Red Hat Enterprise Linux 8 bluez, bluez-cups, bluez-libs, bluez-obexd, bluez-hid2hci
    affected: workaround, no fix planned “Will not fix”
  • Red Hat Enterprise Linux 9 bluez, bluez-cups, bluez-libs, bluez-obexd
    affected: workaround, no fix available

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • Apple iOS

References

Sources

Fencer Vulns 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.