CVE-2015-6409

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

1.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 69.3% of scored records. A rank, not a probability.

NVD base score

5.9 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/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.

Published

2015-12-26 22:00Z10 YR AGO

Last updated

2024-08-06 07:22Z2 YR AGO

Reserved

2015-08-17

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

5e762db95379d68163c28ada70813835766738d9c41c45b69c2fb1d4cc7acb90

• www.securityfocus.com79678http://www.securityfocus.com/bid/79678vdb-entryx_refsource_BID
• www.synacktiv.comhttp://www.synacktiv.com/ressources/cisco_jabber_starttls_downgrade.pdfx_refsource_MISC
• www.securitytracker.com1034540http://www.securitytracker.com/id/1034540vdb-entryx_refsource_SECTRACK
• tools.cisco.com20151224 Cisco Jabber for Windows STARTTLS Downgrade Vulnerabilityhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151224-jabvendor-advisoryx_refsource_CISCO