CVE-2021-46416

Name: CVE-2021-46416
Creator: NVD / NIST
Published: 2022-04-07T11:15:10.037+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 6.69%

Last modified Jun 17, 2026

CVE-2021-46416 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Insecure direct object reference in SUNNY TRIPOWER 5.0 Firmware version 3.10.16.R leads to unauthorized user groups accessing due to insecure cookie handling.. EPSS estimates a 6.69% chance of exploitation in the next 30 days.

Description

Insecure direct object reference in SUNNY TRIPOWER 5.0 Firmware version 3.10.16.R leads to unauthorized user groups accessing due to insecure cookie handling.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

6.69%

93.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Sma	Sunny Tripower Firmware	3.10.16.r

References

http://packetstormsecurity.com/files/166670/SAM-SUNNY-TRIPOWER-5.0-Insecure-Direct-Object-Reference.htmlExploit, Third Party Advisory, VDB Entry
https://drive.google.com/drive/folders/1BPULhDC_g__seH_VnQlVtkrKdOLkXdzV?usp=sharingExploit, Third Party Advisory
https://www.sma.de/en/products/solarinverters/sunny-tripower-30-40-50-60.htmlProduct, Vendor Advisory
http://packetstormsecurity.com/files/166670/SAM-SUNNY-TRIPOWER-5.0-Insecure-Direct-Object-Reference.htmlExploit, Third Party Advisory, VDB Entry
https://drive.google.com/drive/folders/1BPULhDC_g__seH_VnQlVtkrKdOLkXdzV?usp=sharingExploit, Third Party Advisory
https://www.sma.de/en/products/solarinverters/sunny-tripower-30-40-50-60.htmlProduct, Vendor Advisory

Timeline

Published: Apr 7, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-46416?

Insecure direct object reference in SUNNY TRIPOWER 5.0 Firmware version 3.10.16.R leads to unauthorized user groups accessing due to insecure cookie handling.

How severe is CVE-2021-46416?

CVE-2021-46416 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 6.69% probability of exploitation in the next 30 days.

How do I fix CVE-2021-46416?

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-2021-46416?

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

Scan your code now

Source: NVD / NIST