SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-46770

qubes-mirage-firewall (aka Mirage firewall for QubesOS) 0.8.x through 0.8.3 allows guest OS users to cause a denial of service (CPU consumption and loss of forwarding) via a crafted multicast UDP packet (IP address range of 224.0.0.0 through…

EXPLOITHIGH 7.5EPSS 22.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 22.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

qubes-mirage-firewall (aka Mirage firewall for QubesOS) 0.8.x through 0.8.3 allows guest OS users to cause a denial of service (CPU consumption and loss of forwarding) via a crafted multicast UDP packet (IP address range of 224.0.0.0 through 239.255.255.255).

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
22.43% probability · 98th percentile
Public exploits
1 in Exploit-DB · first 31 March 2023
CISA KEV
Not listed
Weakness
CWE-835
Affected
linuxfoundation/mirage firewall
Source
cve@mitre.org
EPSS trend
0%13%25%3 November 2026: 22.43%3 November 20263 November 2026

EPSS 22.4% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-51157source ↗qubes-mirage-firewall v0.8.3 - Denial Of Service (DoS)hardware · Krzysztof Burghardtdos31 March 2023no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.