CVE-2020-3156
Last modified
CVE-2020-3156 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability in the logging component of Cisco Identity Services Engine could allow an unauthenticated remote attacker to conduct cross-site scripting attacks. The vulnerability is due to the improper validation of endpoint data stored in logs used by the web-based interface. EPSS estimates a 1.03% chance of exploitation in the next 30 days.
Description
A vulnerability in the logging component of Cisco Identity Services Engine could allow an unauthenticated remote attacker to conduct cross-site scripting attacks. The vulnerability is due to the improper validation of endpoint data stored in logs used by the web-based interface. An attacker could exploit this vulnerability by sending malicious endpoint data to the targeted system. An exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or to access sensitive, browser-based information.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Cisco | Identity Services Engine | 2.6.0 | Patch1 |
| Cisco | Identity Services Engine | 2.7 | — |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-3156?
How severe is CVE-2020-3156?
How do I fix CVE-2020-3156?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- 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 2020
- CVE-2020-3150A vulnerability in the web-based management interface of Cis…5.9
- CVE-2020-3151A vulnerability in the CLI of Cisco Connected Mobile Experie…6.7
- CVE-2020-3152A vulnerability in Cisco Connected Mobile Experiences (CMX) …6.7
- CVE-2020-3153A vulnerability in the installer component of Cisco AnyConne…6.5
- CVE-2020-3154A vulnerability in the web UI of Cisco Cloud Web Security (C…4.9
- CVE-2020-3155A vulnerability in the SSL implementation of the Cisco Intel…7.4
- CVE-2020-3157A vulnerability in the web-based management interface of Cis…5.4
- CVE-2020-3158A vulnerability in the High Availability (HA) service of Cis…9.1
- CVE-2020-3159A vulnerability in the web-based management interface of Cis…6.1
- CVE-2020-3160A vulnerability in the Extensible Messaging and Presence Pro…5.3
- CVE-2020-3161A vulnerability in the web server for Cisco IP Phones could …9.8
- CVE-2020-3162A vulnerability in the Constrained Application Protocol (CoA…7.5
Are you affected by CVE-2020-3156?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST