CVE-2019-14993

Q: How do I fix CVE-2019-14993?

Upgrade istio to 1.2.4 or later.

Q: Is CVE-2019-14993 being actively exploited?

Not that we know of. CVE-2019-14993 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 82% of all scored CVEs.

Q: How severe is CVE-2019-14993?

CVE-2019-14993 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2019-14993 affect?

Published advisories record a fix for istio (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGHEPSS 82th pctl

7.5

CVSS v3

NVD

Description

Istio before 1.1.13 and 1.2.x before 1.2.4 mishandles regular expressions for long URIs, leading to a denial of service during use of the JWT, VirtualService, HTTPAPISpecBinding, or QuotaSpecBinding API.

CWE-185

How to fix

Remediation Available

istioNVD

Affected:>= 1.2.0, < 1.2.4Fixed in:1.2.4CVE-2019-14993derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

AvailabilityHigh

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

Exploit Intelligence

2.29%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Exploit2

Vendor Advisory2

Related Vulnerabilities

Other CWE-185 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11034	Medium	6.1	7.6%	-	Fix
CVE-2015-8388	High	7.5	6.6%	-	Fix
CVE-2018-7536	Medium	5.3	4.6%	-	Fix
CVE-2018-7537	Medium	5.3	4.5%	-	Fix
CVE-2015-8389	Critical	9.8	3.9%	-	Fix
CVE-2018-7158	High	7.5	3.4%	-	Fix

Common questions

How do I fix CVE-2019-14993?

Upgrade istio to 1.2.4 or later.

Is CVE-2019-14993 being actively exploited?

Not that we know of. CVE-2019-14993 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.3% is the estimated probability that it will be exploited in the next 30 days. That is higher than 82% of all scored CVEs.

How severe is CVE-2019-14993?

CVE-2019-14993 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2019-14993 affect?

Published advisories record a fix for istio (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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.