CVE-2021-31584

Name: CVE-2021-31584
Creator: NVD / NIST
Published: 2021-04-23T21:15:08.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.93%

Last modified Jun 17, 2026

CVE-2021-31584 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Sipwise C5 NGCP www_csc version 3.6.4 up to and including platform NGCP CE mr3.8.13 allows call/click2dial CSRF attacks for actions with administrative privileges.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

Sipwise C5 NGCP www_csc version 3.6.4 up to and including platform NGCP CE mr3.8.13 allows call/click2dial CSRF attacks for actions with administrative privileges.

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

0.93%

55.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Sipwise	Next Generation Communication Platform	3.6.4

References

http://lists.sipwise.com/pipermail/spce-user_lists.sipwise.com/2021-September/014708.htmlMailing List, Vendor Advisory
http://packetstormsecurity.com/files/162318/Sipwise-C5-NGCP-CSC-Cross-Site-Request-Forgery.htmlExploit, Third Party Advisory, VDB Entry
https://www.sipwise.comProduct
https://www.zeroscience.mk/en/vulnerabilitiesExploit, Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5649.phpThird Party Advisory
http://lists.sipwise.com/pipermail/spce-user_lists.sipwise.com/2021-September/014708.htmlMailing List, Vendor Advisory
http://packetstormsecurity.com/files/162318/Sipwise-C5-NGCP-CSC-Cross-Site-Request-Forgery.htmlExploit, Third Party Advisory, VDB Entry
https://www.sipwise.comProduct
https://www.zeroscience.mk/en/vulnerabilitiesExploit, Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5649.phpThird Party Advisory

Timeline

Published: Apr 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31584?

Sipwise C5 NGCP www_csc version 3.6.4 up to and including platform NGCP CE mr3.8.13 allows call/click2dial CSRF attacks for actions with administrative privileges.

How severe is CVE-2021-31584?

CVE-2021-31584 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31584?

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-2021-31584?

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

Scan your code now

Source: NVD / NIST