CVE-2013-4687

Name: CVE-2013-4687
Creator: NVD / NIST
Published: 2013-07-11T14:55:01.387+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.61%

Last modified Jun 16, 2026

CVE-2013-4687 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.61% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.61%

83.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Juniper	Junos	10.4
Juniper	Junos	11.2
Juniper	Junos	11.4
Juniper	Junos	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/JSA10577Vendor Advisory
http://www.securityfocus.com/bid/61122
http://kb.juniper.net/JSA10577Vendor Advisory
http://www.securityfocus.com/bid/61122

Timeline

Published: Jul 11, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-4687?

How severe is CVE-2013-4687?

Severity scoring for CVE-2013-4687 is pending analysis. The EPSS model estimates a 2.61% probability of exploitation in the next 30 days.

How do I fix CVE-2013-4687?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-4687?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST