CVE-2013-7313: The OSPF implementation in Juniper Junos through 13.x, JunosE, and ScreenOS through 6.3.x does not consider th

Q: How do I fix CVE-2013-7313?

junos: mitigate or apply the listed mitigation; junose: mitigate or apply the listed mitigation; screenos: upgrade to newer than 6.3.0. Exact commands for each OS are on this page.

Q: Is CVE-2013-7313 being exploited?

CVE-2013-7313 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2013-7313 affect?

CVE-2013-7313 affects junos, junose, screenos. Severity is medium (CVSS 5.4). The OSPF implementation in Juniper Junos through 13.x, JunosE, and ScreenOS through 6.3.x does not consider the possibility of duplicate Link State ID values in Link State Advertisement (LSA) packets before performing operations on the LSA

Q: How urgent is CVE-2013-7313?

Priority 35/100. No elevated risk signals yet.

Routine

MEDIUM 5.4MITIGATEMITIGATEUPGRADE

CVE-2013-7313 is a medium-severity flaw (CVSS 5.4) affecting junos, junose, screenos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The OSPF implementation in Juniper Junos through 13.x, JunosE, and ScreenOS through 6.3.x does not consider the possibility of duplicate Link State ID values in Link State Advertisement (LSA) packets before performing operations on the LSA database, which allows remote attackers to cause a denial of service (routing disruption) or obtain sensitive packet information via a crafted LSA packet, a related issue to CVE-2013-0149.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Published	2014-01-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: juniper

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-01-23 17:55 UTCPublished CVE record published
2026-06-17 00:01 UTCUpdated Record last modified

juniper junos MITIGATE

Affected: 4.0 · 4.1 · 4.2 · 4.3 · 4.4 · 5.0 · 5.0r3 · 5.0r4

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

juniper junose MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

juniper screenos UPGRADE

Affected: <= 6.3.0 · 5.4.0 · 6.0.0 · 6.1.0 · 6.2.0

Fixed in: newer than 6.3.0

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2013-7313?

junos: mitigate or apply the listed mitigation; junose: mitigate or apply the listed mitigation; screenos: upgrade to newer than 6.3.0. Exact commands for each OS are on this page.

Is CVE-2013-7313 being exploited?

CVE-2013-7313 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2013-7313 affect?

CVE-2013-7313 affects junos, junose, screenos. Severity is medium (CVSS 5.4). The OSPF implementation in Juniper Junos through 13.x, JunosE, and ScreenOS through 6.3.x does not consider the possibility of duplicate Link State ID values in Link State Advertisement (LSA) packets before performing operations on the LSA

How urgent is CVE-2013-7313?

Priority 35/100. No elevated risk signals yet.

Software pages

Juniper Junos vulnerabilities

Related CVEs

CVE-2026-101986 CRITICAL 9.8 UPGRADE UPGRADE An Improper Authentication vulnerability in J-Web of Juniper Networks Junos OS and Junos OS Evolved allows an
CVE-2026-101990 CRITICAL 9.8 UPGRADE UPGRADE A Stack-based Buffer Overflow vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS
CVE-2026-33790 HIGH 7.5 UPGRADE An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow daemon (flowd) of Juniper Ne
CVE-2026-33791 MEDIUM 6.7 UPGRADE UPGRADE An OS Command Injection vulnerability in the CLI processing of Juniper Networks Junos OS and Junos OS Evolved
CVE-2026-33785 HIGH 8.8 MITIGATE A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on MX Series allows a local, aut

References

← Back to latest CVEs