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CVE-2013-4686

19
FAUCET Score

CVE-2013-4686 describes a denial-of-service vulnerability in the kernel of Juniper Junos, affecting multiple versions across several releases. Specifically, certain VLAN configurations with unrestricted arp-resp and proxy-arp settings allow a remote attacker to crash the device via a crafted ARP request. This vulnerability has a CVSS score of 7.1, indicating high severity, with a network attack vector, medium attack complexity, and a complete availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
10.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos:10.4:*:*:*:*:*:*:*
11.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos:11.4:*:*:*:*:*:*:*
11.4x27CPE matchmatch criteria
cpe:2.3:o:juniper:junos:11.4x27:*:*:*:*:*:*:*
12.1CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.1:*:*:*:*:*:*:*
12.1x44CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.1x44:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.1HIGH

AV:N/AC:M/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.32%
Probability of exploitation in next 30 days
EPSS Percentile
81.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0232 is in the 39th percentile among its peer group of 8,918 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

junipervendor investigatingvia nvd_reference
View patch

References

kb.juniper.net / JSA10576
Vendor Advisory
secunia.com / advisories/54119
securityfocus.com / bid/61126