CVE-2007-4098
CVE-2007-4098 is a medium-severity vulnerability in Tor with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.8)
- EPSS exploit prediction: 2% (77th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Tor
- Published:
- Last modified:
Description
Tor before 0.1.2.15 does not properly distinguish "streamids from different exits," which might allow remote attackers with control over Tor routers to inject cells into arbitrary streams.
Frequently asked questions
- What is CVE-2007-4098?
- Tor before 0.1.2.15 does not properly distinguish "streamids from different exits," which might allow remote attackers with control over Tor routers to inject cells into arbitrary streams.
- How severe is CVE-2007-4098?
- CVE-2007-4098 has a CVSS 2.0 base score of 5.8, rated medium severity.
- Is CVE-2007-4098 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-4098?
- CVE-2007-4098 primarily affects Tor. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2007-4098?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2007-4098 published?
- CVE-2007-4098 was published on 2007-07-30 and last updated on 2026-06-16.
References
- http://archives.seul.org/or/announce/Jul-2007/msg00000.html
- http://osvdb.org/46970
- http://secunia.com/advisories/26140
- http://www.securityfocus.com/bid/25035
- http://www.vupen.com/english/advisories/2007/2634
Affected products (15)
- cpe:2.3:a:tor:tor:0.1.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.1.1_alpha:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.1.2_alpha:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.1.3_alpha:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.1.4_alpha:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.1.5_alpha:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.1.20:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.1.23:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.2.1_alpha-cvs:*:*:*:*:*:*:*
- cpe:2.3:a:tor:tor:0.1.2.14:*:*:*:*:*:*:*
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