How severe is CVE-2013-4688?

CVE-2013-4688 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2013-4688 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4688?

CVE-2013-4688 primarily affects Juniper Junos. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4688?

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-2013-4688 published?

CVE-2013-4688 was published on 2013-07-11 and last updated on 2026-06-16.

CVE-2013-4688

CVE-2013-4688 is a high-severity vulnerability in Juniper Junos with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Juniper Junos
Published: 2013-07-11
Last modified: 2026-06-16

Description

flowd in Juniper Junos 10.4 before 10.4R11 on SRX devices, when the MSRPC Application Layer Gateway (ALG) is enabled, allows remote attackers to cause a denial of service (daemon crash) via crafted MSRPC requests, aka PR 772834.

Frequently asked questions

What is CVE-2013-4688?: flowd in Juniper Junos 10.4 before 10.4R11 on SRX devices, when the MSRPC Application Layer Gateway (ALG) is enabled, allows remote attackers to cause a denial of service (daemon crash) via crafted MSRPC requests, aka PR 772834.
How severe is CVE-2013-4688?: CVE-2013-4688 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2013-4688 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4688?: CVE-2013-4688 primarily affects Juniper Junos. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4688?: 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-2013-4688 published?: CVE-2013-4688 was published on 2013-07-11 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:o:juniper:junos:10.4:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx100:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx110:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx1400:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx210:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx220:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx240:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx3400:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx3600:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx550:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx5600:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx5800:-:*:*:*:*:*:*:*
cpe:2.3:h:juniper:srx650:-:*:*:*:*:*:*:*

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