7.5

CVE-2017-0377: torproject tor

CVSS: 7.5v3.0HighModified
Published 02-07-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-0377 is a high (CVSS 7.5) vulnerability in torproject tor. EPSS estimates a 2.45% chance of exploitation in the next 30 days, higher than 84.1% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
2.45%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2024:11469-1

Timeline

  1. 02-07-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Tor 0.3.x before 0.3.0.9 has a guard-selection algorithm that only considers the exit relay (not the exit relay's family), which might allow remote attackers to defeat intended anonymity properties by leveraging the existence of large families.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.45%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.45% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.45%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Torproject1 product
  • tor0.3.0.1:alpha | 0.3.0.2:alpha | 0.3.0.3:alpha | 0.3.0.4 | 0.3.0.5 | 0.3.0.6 | 0.3.0.7 | 0.3.0.8

1 vendor · 1 product

References

5 links