CVE-2017-12271

Name: CVE-2017-12271
Creator: NVD / NIST
Published: 2017-10-19T08:29:00.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2017-12271 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability in Cisco SPA300 and SPA500 Series IP Phones could allow an unauthenticated, remote attacker to execute unwanted actions on an affected device. The vulnerability is due to a lack of cross-site request forgery (CSRF) protection. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

A vulnerability in Cisco SPA300 and SPA500 Series IP Phones could allow an unauthenticated, remote attacker to execute unwanted actions on an affected device. The vulnerability is due to a lack of cross-site request forgery (CSRF) protection. An attacker could exploit this vulnerability by tricking the user of a web application into executing an adverse action. Cisco Bug IDs: CSCuz88421, CSCuz91356, CSCve56308.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.70%

48.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Spa300 Firmware	<= 7.5.5
Cisco	Spa500 Firmware	<= 7.5.5

References

http://www.securityfocus.com/bid/101524Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039621Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171018-spaVendor Advisory
http://www.securityfocus.com/bid/101524Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039621Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171018-spaVendor Advisory

Timeline

Published: Oct 19, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-12271?

How severe is CVE-2017-12271?

CVE-2017-12271 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2017-12271?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-12271?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST