SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2009-0939

Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to "Spec conformance," as demonstrated using 192.168.0.

HIGH 10.0EPSS 2.05%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to "Spec conformance," as demonstrated using 192.168.0.

CVSS 2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
2.05% probability · 80th percentile
CISA KEV
Not listed
Affected
tor/tor
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.