Is CVE-2007-4098 in the CISA KEV catalog?

No. CVE-2007-4098 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-4098?

CVE-2007-4098 has a CVSS v2 base score of 5.8 (MEDIUM).

What is the EPSS score for CVE-2007-4098?

CVE-2007-4098 has an EPSS score of 1.90% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2007-4098?

Upgrade tor on debian 11 to 0.1.2.15-1 or later.

CVE & CISA-KEV Catalog

CVE-2007-4098

MEDIUMEPSS 77th pctl

5.8

CVSS v2

NVD

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.

How to fix

Remediation Available

torDebian

Fixed in:0.1.2.15-1CVE-2007-4098

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.90%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Patch3

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.