Is CVE-2017-2646 in the CISA KEV catalog?

No. CVE-2017-2646 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-2646?

CVE-2017-2646 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-2646?

CVE-2017-2646 has an EPSS score of 1.85% (77th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-2646?

Upgrade keycloak to 2.5.5 or later.

CVE & CISA-KEV Catalog

CVE-2017-2646

HIGHEPSS 77th pctl

7.5

CVSS v3

NVD

Description

It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.

CWE-835

How to fix

Remediation Available

keycloakNVD

Affected:< 2.5.5Fixed in:2.5.5CVE-2017-2646derived from NVD

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

1.85%probability of exploitation in 30 days

77thpercentile

Elevated risk: more likely to be exploited than 77% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-835 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13935	High	7.5	88%	-	Fix
CVE-2020-36227	High	7.5	78%	-	Fix
CVE-2022-0778	High	7.5	71%	-	Fix
CVE-2019-14241	High	7.5	70%	-	-
CVE-2017-16944	High	7.5	63%	-	Fix
CVE-2024-20353	High	8.6	63%	KEV	-

Embed a live status badge for CVE-2017-2646

Markdown

[![CVE-2017-2646](https://tridentstack.com/cve/badge/CVE-2017-2646.svg)](https://tridentstack.com/cve/CVE-2017-2646)

HTML

<a href="https://tridentstack.com/cve/CVE-2017-2646"><img src="https://tridentstack.com/cve/badge/CVE-2017-2646.svg" alt="CVE-2017-2646"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.