How severe is CVE-2015-5363?

CVE-2015-5363 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-5363 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5363?

CVE-2015-5363 primarily affects Juniper Junos. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5363?

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

When was CVE-2015-5363 published?

CVE-2015-5363 was published on 2015-07-16 and last updated on 2026-06-17.

CVE-2015-5363

CVE-2015-5363 is a medium-severity vulnerability in Juniper Junos with a CVSS 2.0 base score of 5.0. 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-19.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-19
Affected product: Juniper Junos
Published: 2015-07-16
Last modified: 2026-06-17

Description

The SRX Network Security Daemon (nsd) in Juniper SRX Series services gateways with Junos 12.1X44 before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, and 12.3X48 before 12.3X48-D15 allows remote DNS servers to cause a denial of service (crash) via a crafted DNS response.

Frequently asked questions

What is CVE-2015-5363?: The SRX Network Security Daemon (nsd) in Juniper SRX Series services gateways with Junos 12.1X44 before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, and 12.3X48 before 12.3X48-D15 allows remote DNS servers to cause a denial of service (crash) via a crafted DNS response.
How severe is CVE-2015-5363?: CVE-2015-5363 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-5363 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5363?: CVE-2015-5363 primarily affects Juniper Junos. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5363?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-5363 published?: CVE-2015-5363 was published on 2015-07-16 and last updated on 2026-06-17.

References

Affected products (22)

cpe:2.3:o:juniper:junos:12.1x44:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d15:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d20:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d25:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d30:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d35:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d40:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x44:d45:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:d10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:d15:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:d20:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:d25:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x46:d30:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x47:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x47:d10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x47:d15:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x47:d20:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3x48:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3x48:d10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.3x48:d5:*:*:*:*:*:*

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