Review reviewHigh

CVE-2021-46416

sunny tripower firmware, sunny tripower

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.

CVSS
8.1
EPSS
4.23%
90.0% percentile
CISA KEV
Not listed
Published
2022.04.07
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability4.23%
Technical severityCVSS 8.1

Vulnerability overview

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.

Affected product and versions

Product
sunny tripower firmware, sunny tripower
Affected versions
3.10.16.r
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that sunny tripower firmware, sunny tripower and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE
CWE-639
CVE-2021-46416 — sunny tripower firmware, sunny tripower | SECUFOCUS NOW