CVE-2026-20035
Last modified
CVE-2026-20035 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A vulnerability in the web UI of Cisco Unity Connection Web Inbox could allow an unauthenticated, remote attacker to conduct SSRF attacks through an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. EPSS estimates a 0.43% chance of exploitation in the next 30 days.
Description
A vulnerability in the web UI of Cisco Unity Connection Web Inbox could allow an unauthenticated, remote attacker to conduct SSRF attacks through an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to send arbitrary network requests that are sourced from the affected device.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Unity Connection | < 14.0 |
| Cisco | Unity Connection | 14.0 |
| Cisco | Unity Connection | 14su1 |
| Cisco | Unity Connection | 14su2 |
| Cisco | Unity Connection | 14su3 |
| Cisco | Unity Connection | 14su4 |
| Cisco | Unity Connection | 15.0 |
| Cisco | Unity Connection | 15su1 |
| Cisco | Unity Connection | 15su2 |
| Cisco | Unity Connection | 15su3 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-20035?
How severe is CVE-2026-20035?
How do I fix CVE-2026-20035?
How Strix Helps
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-20028A vulnerability in the network driver of Cisco Terminal Serv…5
- CVE-2026-20029A vulnerability in the licensing features of Cisco Iden…4.9
- CVE-2026-2003Improper validation of type "oidvector" in PostgreSQL allows…4.3
- CVE-2026-20031A vulnerability in the HTML Cascading Style Sheets (CSS) mod…5.3
- CVE-2026-20033A vulnerability in Cisco Nexus 9000 Series Fabric Switches i…7.4
- CVE-2026-20034A vulnerability in the web-based management interface of Cis…8.8
- CVE-2026-20036A vulnerability in the CLI and web-based management interfac…6.5
- CVE-2026-20037A vulnerability in the NX-OS CLI privilege levels of Cisco U…4.4
- CVE-2026-20039A vulnerability in the VPN web server of Cisco Secure Firewa…8.6
- CVE-2026-2004Missing validation of type of input in PostgreSQL intarray e…8.8
- CVE-2026-20040A vulnerability in the CLI of Cisco IOS XR Software could al…8.8
- CVE-2026-20041A vulnerability in Cisco Nexus Dashboard and Cisco Nexus Das…6.1
Are you affected by CVE-2026-20035?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
