Cisco Jabber for Windows Information Disclosure Vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
A vulnerability in Cisco Jabber software could allow an authenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of message contents. An attacker could exploit this vulnerability by sending specially crafted messages to a targeted system. A successful exploit could allow the attacker to cause the application to return sensitive authentication information to another system, possibly for use in further attacks.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | Cisco Jabber | all versions | — | No fix listed | CNA |
- Cisco Jabber VendorCisco Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:jabber:*:*:*:*:*:windows:*:* | 12.1 to before 12.1.3; 12.5 to before 12.5.2; 12.6 to before 12.6.3; 12.7 to before 12.7.2; 12.8 to before 12.8.3; 12.9 to before 12.9.1 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:jabber:*:*:*:*:*:windows:*:* Versions 12.1 to before 12.1.3; 12.5 to before 12.5.2; 12.6 to before 12.6.3; 12.7 to before 12.7.2; 12.8 to before 12.8.3; 12.9 to before 12.9.1 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-3498
- 2026-10-03 Alias added: GHSA-629q-m7cg-wch9
References
More Cisco Jabber vulnerabilities
- TI-2020-03041 Cisco Jabber for Windows Message Handling Arbitrary Code Execution Vulnerability CVSS 3.1CRITICAL 9.9
- TI-2020-15937 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities CVSS 3.1CRITICAL 9.9
- TI-2020-02979 Cisco Jabber for Windows Protocol Handler Command Injection Vulnerability CVSS 3.1HIGH 8.8
- TI-2021-01198 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities CVSS 3.1CRITICAL 9.9
- TI-2021-01138 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities CVSS 3.1CRITICAL 9.9
- TI-2020-16496 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities CVSS 3.1CRITICAL 9.9
Sources
- CVE-2020-3498 · CVE Program
- CVE-2020-3498 · NVD
- FIRST EPSS
- GHSA-629q-m7cg-wch9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences