Is CVE-2018-5113 in the CISA KEV catalog?

No. CVE-2018-5113 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-5113?

CVE-2018-5113 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-5113?

CVE-2018-5113 has an EPSS score of 2.07% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-5113?

Upgrade firefox on debian unstable to 58.0-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2018-5113

HIGHEPSS 79th pctl

7.5

CVSS v3

NVD

Description

The "browser.identity.launchWebAuthFlow" function of WebExtensions is only allowed to load content over "https:" but this requirement was not properly enforced. This can potentially allow privileged pages to be loaded by the extension. This vulnerability affects Firefox < 58.

CWE-862Missing Authorization

How to fix

Remediation Available

firefoxDebian

Fixed in:58.0-1CVE-2018-5113

firefoxUbuntu

Fixed in:58.0+build6-0ubuntu0.14.04.1USN-3544-1

Fixed in:58.0+build6-0ubuntu0.16.04.1USN-3544-1

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

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

2.07%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Third-Party Advisory3

Issue Tracking1

bugzilla.mozilla.org

Related Vulnerabilities

Other CWE-862 (Missing Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-39226	Critical	9.8	100%	KEV	Fix
CVE-2022-0543	Critical	10.0	100%	KEV	Fix
CVE-2021-21978	Critical	9.8	99%	-	Fix
CVE-2023-52163	High	8.8	96%	KEV	-
CVE-2022-1329	High	8.8	93%	-	-
CVE-2023-6875	Critical	9.8	90%	-	-

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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.