What’s Vulnerable › Vulnerabilities

CVE-2013-4687

• Severity: high (CVSS 7.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-07-11 · updated 2026-06-16

Description

flowd in Juniper Junos 10.4 before 10.4S14, 11.2 and 11.4 before 11.4R6-S2, and 12.1 before 12.1R6 on SRX devices, when certain Application Layer Gateways (ALGs) are enabled, allows remote attackers to cause a denial of service (daemon crash) via crafted TCP packets, aka PRs 727980, 806269, and 835593.

Affected products

• Juniper Junos OS: 10.4, 11.2, 11.4, 12.1
• Juniper Srx100: all versions
• Juniper Srx110: all versions
• Juniper Srx1400: all versions
• Juniper Srx210: all versions
• Juniper Srx220: all versions
• Juniper Srx240: all versions
• Juniper Srx3400: all versions
• Juniper Srx3600: all versions
• Juniper Srx550: all versions
• Juniper Srx5600: all versions
• Juniper Srx5800: all versions
• Juniper Srx650: all versions

References

• http://kb.juniper.net/JSA10577
• http://www.securityfocus.com/bid/61122
• http://kb.juniper.net/JSA10577
• http://www.securityfocus.com/bid/61122

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