synced 12 MIN AGO
01 Record

CVE-2026-103393

Session Smart Router: An attacker can cause an out-of-bounds read during VRRP packet processing

MediumPUBLISHEDCNA: juniper
CNA base score4.3 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

02 Description

Session Smart Router: An attacker can cause an out-of-bounds read during VRRP packet processing

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
4.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-10-28.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-28 16:34Z17 HR AGO
Last updated
2026-10-28 16:34Z17 HR AGO
Reserved
2026-09-30
Assigning CNA
juniper
Record state
PUBLISHED
Severity
Medium (CVSS 4.3)
CNA CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weaknesses
Data version
5.2
Document digest
fd4a6d659c5fa1cfbed9948b0d7c56012dc6a992390422db8a19ccff0d0e36c8

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksSession Smart Router0 to < 7.0.5, 7.1.0 to < 7.1.7, 7.2.0 to < 7.2.3—

06 References

07 Remediation

The following software releases of Session Smart Router have been updated to resolve these specific issues: * 7.0.5 and all subsequent releases; * 7.1.7 and all subsequent releases; * 7.2.3 and all subsequent releases.