CVE-2016-1261

CVE-2016-1261 is a high-severity vulnerability in Juniper Junos with a CVSS 3.x base score of 7.1. 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-352.

Key facts

• Severity: High (CVSS 3.x base score 7.1)
• CVSS v2: 6.8
• EPSS exploit prediction: 0% (30th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-352
• Affected product: Juniper Junos
• Published: 2017-10-13
• Last modified: 2026-06-17

Description

J-Web does not validate certain input that may lead to cross-site request forgery (CSRF) issues or cause a denial of J-Web service (DoS).

Frequently asked questions

What is CVE-2016-1261?

J-Web does not validate certain input that may lead to cross-site request forgery (CSRF) issues or cause a denial of J-Web service (DoS).

How severe is CVE-2016-1261?

CVE-2016-1261 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-1261 being actively exploited?

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

What products are affected by CVE-2016-1261?

CVE-2016-1261 primarily affects Juniper Junos. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1261?

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-2016-1261 published?

CVE-2016-1261 was published on 2017-10-13 and last updated on 2026-06-17.

References

• https://kb.juniper.net/JSA10723

Affected products (74)

• 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:12.1x44:d50:*:*:*:*:*:*
• 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:12.1x46:d35:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.1x46:d40:*:*:*:*:*:*
• 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:12.1x47:d25:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3:-:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3:r1:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3:r2:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3:r3:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3:r4:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3:r5:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3:r6:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3:r7:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3:r8:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3:r9:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3x48:d10:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3x48:d15:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:12.3x48:d25:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:13.2x51:-:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:13.2x51:d15:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:13.2x51:d20:*:*:*:*:*:*
• cpe:2.3:o:juniper:junos:13.2x51:d21:*:*:*:*:*:*

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