Is CVE-2017-7539 in the CISA KEV catalog?

No. CVE-2017-7539 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-7539?

CVE-2017-7539 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2017-7539?

CVE-2017-7539 has an EPSS score of 5.53% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-7539?

Upgrade qemu to 2.10.1 or later.

CVE & CISA-KEV Catalog

CVE-2017-7539

MEDIUMEPSS 92th pctl

5.3

CVSS v3

NVD

Description

An assertion-failure flaw was found in Qemu before 2.10.1, in the Network Block Device (NBD) server's initial connection negotiation, where the I/O coroutine was undefined. This could crash the qemu-nbd server if a client sent unexpected data during connection negotiation. A remote user or process could use this flaw to crash the qemu-nbd server resulting in denial of service.

CWE-617 CWE-20Improper Input Validation

How to fix

Remediation Available

qemuNVD

Affected:< 2.10.1Fixed in:2.10.1CVE-2017-7539derived 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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

5.53%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Patch2

Third-Party Advisory8

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 2024-11-21.