Is CVE-2016-5133 in the CISA KEV catalog?

No. CVE-2016-5133 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-5133?

CVE-2016-5133 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2016-5133?

CVE-2016-5133 has an EPSS score of 0.97% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-5133?

Upgrade liboxideqtcore0 on ubuntu 14.04 to 1.16.5-0ubuntu0.14.04.1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2016-5133

MEDIUM

5.3

CVSS v3

NVD

Description

Google Chrome before 52.0.2743.82 mishandles origin information during proxy authentication, which allows man-in-the-middle attackers to spoof a proxy-authentication login prompt or trigger incorrect credential storage by modifying the client-server data stream.

CWE-287Improper Authentication

How to fix

Remediation Available

liboxideqtcore0Ubuntu

Fixed in:1.16.5-0ubuntu0.14.04.1USN-3041-1

Fixed in:1.16.5-0ubuntu0.16.04.1USN-3041-1

oxide-qtUbuntu

Fixed in:1.16.5-0ubuntu0.14.04.1USN-3041-1

Fixed in:1.16.5-0ubuntu0.16.04.1USN-3041-1

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 ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

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

Other references13

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	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 2026-05-06.