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CVE-2017-0380

20
FAUCET Score

CVE-2017-0380 is a medium-severity information disclosure vulnerability affecting Tor versions prior to 0.2.8.15, 0.2.9.12, 0.3.0.11, 0.3.1.7, and 0.3.2.1-alpha. When SafeLogging is disabled, attackers with access to a hidden service's log files can obtain sensitive information due to uninitialized stack data being included in an error message. The vulnerability has a CVSSv3 score of 5.9, indicating a network-based attack with high confidentiality impact but high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.2.8.14CPE matchmatch criteria
cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
0.2.9.0CPE matchmatch criteria
cpe:2.3:a:torproject:tor:0.2.9.0:*:*:*:*:*:*:*
0.2.9.0CPE matchmatch criteria
cpe:2.3:a:torproject:tor:0.2.9.0:alpha:*:*:*:*:*:*
0.2.9.1CPE matchmatch criteria
cpe:2.3:a:torproject:tor:0.2.9.1:alpha:*:*:*:*:*:*
0.2.9.2CPE matchmatch criteria
cpe:2.3:a:torproject:tor:0.2.9.2:alpha:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0154 is in the 47th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486
PatchThird Party Advisory
trac.torproject.org / projects/tor/ticket/23490
MitigationPatchVendor Advisory
debian.org / security/2017/dsa-3993
securitytracker.com / id/1039519