Is CVE-2009-4011 in the CISA KEV catalog?

No. CVE-2009-4011 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-4011?

CVE-2009-4011 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2009-4011?

CVE-2009-4011 has an EPSS score of 0.97% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-4011?

Upgrade dtc-xen to 0.5.4 or later.

CVE & CISA-KEV Catalog

CVE-2009-4011

HIGH

8.1

CVSS v3

NVD

Description

dtc-xen 0.5.x before 0.5.4 suffers from a race condition where an attacker could potentially get a bash access as xenXX user on the dom0, and then access a potentially reuse an already opened VPS console.

CWE-362Race Condition

How to fix

Remediation Available

dtc-xenNVD

Affected:>= 0.5.0, < 0.5.4Fixed in:0.5.4CVE-2009-4011derived from NVD

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

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.97%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Third-Party Advisory2

Release Notes1

tracker.debian.org

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

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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 2024-11-21.