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CVE-2020-27541

HIGH

7.5

CVSS Score

Published: January 25, 2021 at 08:32 PM UTC

Updated: June 17, 2026 at 03:09 AM UTC

2 products affected across 1 vendorCs C2SHW FirmwareCs-C2Shw

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Severity

HIGH7.5

Exploit prediction

EPSS 1%

Description

Denial of Service vulnerability in Rostelecom CS-C2SHW 5.0.082.1. AgentGreen service has a bug in parsing broadcast discovery UDP packet. Sending a packet of too small size will lead to an attempt of allocating buffer of negative size. As the result service AgentGreen will be terminated and started again later.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cs C2SHW Firmware · Company

95%

company-cs-c2shw (same device)

Cs-C2Shw · Companydevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory

Source: [email protected]

https://dil4rd.medium.com/groundhog-day-in-iot-valley-or-5-cves-in-1-camera-7dc1d2864707

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-787

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