CVE-2019-0050

CVE-2019-0050 is a high-severity vulnerability in Juniper Junos with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: High (CVSS 3.x base score 7.5)
• CVSS v2: 4.3
• EPSS exploit prediction: 1% (67th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Juniper Junos
• Published: 2019-10-09
• Last modified: 2026-06-17

Description

Under certain heavy traffic conditions srxpfe process can crash and result in a denial of service condition for the SRX1500 device. Repeated crashes of the srxpfe can result in an extended denial of service condition. The SRX device may fail to forward traffic when this condition occurs. Affected releases are Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D170 on SRX1500; 17.3 versions prior to 17.3R3-S7 on SRX1500; 17.4 versions prior to 17.4R2-S8, 17.4R3 on SRX1500; 18.1 versions prior to 18.1R3-S8 on SRX1500; 18.2 versions prior to 18.2R3 on SRX1500; 18.3 versions prior to 18.3R2 on SRX1500; 18.4 versions prior to 18.4R2 on SRX1500.

Frequently asked questions

What is CVE-2019-0050?

Under certain heavy traffic conditions srxpfe process can crash and result in a denial of service condition for the SRX1500 device. Repeated crashes of the srxpfe can result in an extended denial of service condition. The SRX device may fail to forward traffic when this condition occurs. Affected releases are Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D170 on SRX1500; 17.3 versions prior to 17.3R3-S7 on SRX1500; 17.4 versions prior to 17.4R2-S8, 17.4R3 on SRX1500; 18.1 versions prior to 18.1R3-S8 on SRX1500; 18.2 versions prior to 18.2R3 on SRX1500; 18.3 versions prior to 18.3R2 on SRX1500; 18.4 versions prior to 18.4R2 on SRX1500.

How severe is CVE-2019-0050?

CVE-2019-0050 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-0050 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-2019-0050?

CVE-2019-0050 primarily affects Juniper Junos. In total, 57 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-0050?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-0050 published?

CVE-2019-0050 was published on 2019-10-09 and last updated on 2026-06-17.

References

• https://kb.juniper.net/JSA10972

Affected products (57)

• cpe:2.3:o:juniper:junos:15.1x49:d100:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d110:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d120:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d130:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d140:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d150:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d160:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d30:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d40:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d50:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d60:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d70:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d75:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d80:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:15.1x49:d90:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.3:-:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.3:r2:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.3:r2-s1:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.3:r2-s2:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.3:r3-s1:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.3:r3-s2:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.3:r3-s3:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.3:r3-s4:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.4:-:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.4:r1:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.4:r1-s1:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.4:r1-s2:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.4:r1-s4:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.4:r1-s6:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.4:r1-s7:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.4:r2:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.4:r2-s1:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.4:r2-s3:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:17.4:r2-s4:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:18.1:-:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:18.1:r2:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:18.1:r2-s1:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:18.1:r2-s2:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:18.1:r2-s4:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:18.1:r3:*:*:*:*:*:*

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