Is CVE-2013-4687 being actively exploited?

CVE-2013-4687 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-4687?

CVE-2013-4687 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2013-4687

HIGH · CVSS 7.8EPSS 2.6%EU EUVD

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.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS score: 2.6% (85th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-4540)
Published: July 11, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-4540 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

juniper / junos
juniper / junos
juniper / junos
juniper / junos
juniper / srx100
juniper / srx110
juniper / srx1400
juniper / srx210
juniper / srx220
juniper / srx240
juniper / srx3400
juniper / srx3600
juniper / srx550
juniper / srx5600
juniper / srx5800
juniper / srx650

References

http://kb.juniper.net/JSA10577(Vendor Advisory)
http://www.securityfocus.com/bid/61122

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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