vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2020-26085

Cisco Jabber Desktop and Mobile Client Software Vulnerabilities

CRITICAL
9.9
CVSS Score
Published: January 6, 2021 at 11:35 PM UTC
Updated: June 17, 2026 at 03:07 AM UTC
1 product affected across 1 vendorJabber

Using Cisco Jabber by Cisco?

Get instant alerts when new vulnerabilities affect Cisco Jabber - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
CRITICAL9.9
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

Multiple vulnerabilities in Cisco Jabber for Windows, Jabber for MacOS, and Jabber for mobile platforms could allow an attacker to execute arbitrary programs on the underlying operating system (OS) with elevated privileges or gain access to sensitive information. For more information about these vulnerabilities, see the Details section of this advisory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Jabber· Cisco
95%
v < 12.1.4v < 12.8.5v < 12.9.412.5 ≤ v < 12.5.312.6 ≤ v < 12.6.412.7 ≤ v < 12.7.312.8 ≤ v < 12.8.412.9 ≤ v < 12.9.312.9 ≤ v < 12.9.4
Affected range stops below 12.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.5.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.6.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.7.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.8.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.8.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.9.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.9.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisoryx_refsource_CISCO
Source: [email protected]
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-jabber-ZktzjpgO

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.9CRITICALcisco
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-201CWE-78

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card