Is CVE-2017-5397 in the CISA KEV catalog?

No. CVE-2017-5397 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-5397?

CVE-2017-5397 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-5397?

CVE-2017-5397 has an EPSS score of 3.25% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-5397?

Upgrade DeveloperEdition to 51.0.3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-5397

CRITICALEPSS 87th pctl

9.8

CVSS v3

NVD

Description

The cache directory on the local file system is set to be world writable. Firefox defaults to extracting libraries from this cache. This allows for the possibility of an installed malicious application or tools with write access to the file system to replace files used by Firefox with their own versions. This vulnerability affects Firefox < 51.0.3.

CWE-829

How to fix

Remediation Available

DeveloperEditionWindows application

Affected:51.0.3Fixed in:51.0.3Mozilla

Mozilla Firefox (en-US)Windows application

Affected:51.0.3Fixed in:51.0.3Mozilla

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.25%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch1

bugzilla.mozilla.org

Vendor Advisory1

mozilla.org

Third-Party Advisory1

securityfocus.com

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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.