Is CVE-2017-7835 in the CISA KEV catalog?

No. CVE-2017-7835 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-7835?

CVE-2017-7835 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2017-7835?

CVE-2017-7835 has an EPSS score of 1.52% (72th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-7835?

Upgrade firefox on debian unstable to 57.0-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2017-7835

HIGHEPSS 72th pctl

7.3

CVSS v3

NVD

Description

Mixed content blocking of insecure (HTTP) sub-resources in a secure (HTTPS) document was not correctly applied for resources that redirect from HTTPS to HTTP, allowing content that should be blocked, such as scripts, to be loaded on a page. This vulnerability affects Firefox < 57.

How to fix

Remediation Available

firefoxDebian

Fixed in:57.0-1CVE-2017-7835

firefoxUbuntu

Fixed in:57.0+build4-0ubuntu0.14.04.4USN-3477-1

Fixed in:57.0+build4-0ubuntu0.16.04.5USN-3477-1

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

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

1.52%probability of exploitation in 30 days

72ndpercentile

Elevated risk: more likely to be exploited than 72% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Third-Party Advisory2

Issue Tracking1

bugzilla.mozilla.org

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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.