Is CVE-2026-57028 in the CISA KEV catalog?

No. CVE-2026-57028 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-57028?

CVE-2026-57028 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2026-57028?

CVE-2026-57028 has an EPSS score of 0.30% (22th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-57028?

Upgrade junos os evolved to 23.2 or later.

CVE & CISA-KEV Catalog

CVE-2026-57028

HIGH

7.3

CVSS v3

NVD

Description

An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause license exhaustion. Due to an incorrect initialization, a process which should only be able to communicate internally within the device, can be reached over the network via an open port. This leads to unauthorized access to the license management. This issue affects all Junos OS Evolved versions before 23.2R2-EVO.

CWE-923

How to fix

Remediation Available

junos os evolvedNVD

Affected:< 23.2Fixed in:23.2CVE-2026-57028derived 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

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploit Intelligence

0.30%probability of exploitation in 30 days

22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Vendor Advisory1

supportportal.juniper.net

Related Vulnerabilities

Other CWE-923 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24974	High	7.5	9.8%	-	Fix
CVE-2025-48999	High	8.8	6.8%	-	Fix
CVE-2021-38487	High	8.2	3.3%	-	Fix
CVE-2019-17440	Critical	10.0	1.7%	-	-
CVE-2022-2663	Medium	5.3	1.4%	-	Fix
CVE-2021-32635	Medium	6.3	1.4%	-	-

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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 2026-07-13.