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CVE-2009-2425

17
FAUCET Score

CVE-2009-2425 describes a denial-of-service vulnerability affecting Tor versions prior to 0.2.0.35. Remote attackers can exploit this flaw by sending a malformed router descriptor, leading to an application crash. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with a network-based attack vector, low complexity, and potential for partial availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.2.0.35CPE matchmatch criteria
cpe:2.3:a:tor:tor:0.2.0.35:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.52%
Probability of exploitation in next 30 days
EPSS Percentile
83.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0252 is in the 75th percentile among its peer group of 23,684 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.seul.org / or/announce/Jun-2009/msg00000.html
Patch
secunia.com / advisories/35546
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/51376
osvdb.org / 55340
Patch
securityfocus.com / bid/35505
Patch
vupen.com / english/advisories/2009/1716
PatchVendor Advisory