Authentication Bypass in Grandstream GRP261x VoIP Phones
CVE-2020-25218

9.8CRITICAL

Key Information:

Vendor

Grandstream

Status
Grp2612 Firmware
Vendor
CVE Published:
29 March 2021

What is CVE-2020-25218?

The Grandstream GRP261x VoIP phones, when running firmware version 1.0.3.6, are susceptible to an authentication bypass exploit in their administrative web interface. This flaw allows unauthorized users to gain access to sensitive configurations, potentially leading to manipulation of the device settings. To mitigate risks, users should ensure their devices are updated to the latest firmware and implement strict access controls.

References

https://github.com/fireeye/Vulnerability-Disclosures/blob...
x_refsource_MISC
https://cwe.mitre.org/data/definitions/306.html
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.