synced 12 MIN AGO
01 Record

CVE-2016-6398

The PPTP server in Cisco IOS 15.5(3)M does not properly initialize packet buffers, which allows remote attackers to obtain sensitive information from earlier network communication by reading packet

UnratedPUBLISHEDCNA: cisco
CNA base scoreUnratedNo CNA CVSS vector

02 Description

The PPTP server in Cisco IOS 15.5(3)M does not properly initialize packet buffers, which allows remote attackers to obtain sensitive information from earlier network communication by reading packet

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
1.26% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 69.3% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
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
2016-09-12 10:00Z10 YR AGO
Last updated
2024-08-06 01:29Z2 YR AGO
Reserved
2016-07-26
Assigning CNA
cisco
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
Data version
5.1
Document digest
23efd968a1252e499a3d72f8013eb5023544f527678e5179cc105a71d632f185

05 Affected products

VendorProductVersionsPlatforms
ciscoiosNot specified—

06 References