CVE-2009-0939 describes a critical vulnerability in Tor versions prior to 0.2.0.34, where incomplete IPv4 addresses are incorrectly treated as valid, leading to an unknown but potentially severe impact. With a CVSS score of 10.0, this flaw presents a network-based attack vector with low complexity, allowing for complete compromise of confidentiality, integrity, and availability. Despite its critical severity, there is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in the CISA KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.2.0.33CPE matchmatch criteria | cpe:2.3:a:tor:tor:*:*:*:*:*:*:*:* | ||
0.2.0.1CPE matchmatch criteria | cpe:2.3:a:tor:tor:0.2.0.1:alpha:*:*:*:*:*:* | ||
0.2.0.2CPE matchmatch criteria | cpe:2.3:a:tor:tor:0.2.0.2:alpha:*:*:*:*:*:* | ||
0.2.0.3CPE matchmatch criteria | cpe:2.3:a:tor:tor:0.2.0.3:alpha:*:*:*:*:*:* | ||
0.2.0.4CPE matchmatch criteria | cpe:2.3:a:tor:tor:0.2.0.4:alpha:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.