How severe is CVE-2018-0053?

CVE-2018-0053 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-0053 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0053?

CVE-2018-0053 primarily affects Juniper Junos. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0053?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-0053 published?

CVE-2018-0053 was published on 2018-10-10 and last updated on 2026-06-17.

CVE-2018-0053

CVE-2018-0053 is a medium-severity vulnerability in Juniper Junos with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Juniper Junos
Published: 2018-10-10
Last modified: 2026-06-17

Description

An authentication bypass vulnerability in the initial boot sequence of Juniper Networks Junos OS on vSRX Series may allow an attacker to gain full control of the system without authentication when the system is initially booted up. Affected releases are Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D30 on vSRX.

Frequently asked questions

What is CVE-2018-0053?: An authentication bypass vulnerability in the initial boot sequence of Juniper Networks Junos OS on vSRX Series may allow an attacker to gain full control of the system without authentication when the system is initially booted up. Affected releases are Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D30 on vSRX.
How severe is CVE-2018-0053?: CVE-2018-0053 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-0053 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0053?: CVE-2018-0053 primarily affects Juniper Junos. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0053?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-0053 published?: CVE-2018-0053 was published on 2018-10-10 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:juniper:junos:15.1x49:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:15.1x49:d10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:15.1x49:d20:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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