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Fencer Vulns
medium 5.4

CVE-2021-46416 json

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

published 2022-04-07 4 y ago modified 2026-07-13 3 mo ago also EUVD-2021-33094

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
4.3%
EPSS 4.3% chance of exploitation in 30 days, percentile 91%
public exploits
1
Exploit-DB

Summary

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.

Timeline

  1. Published
  2. First public exploit (EDB-50860)

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
3 mo ago

Exploit prediction

4.26% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-50860 SAM SUNNY TRIPOWER 5.0 - Insecure Direct Object Reference (IDOR) webapps, 2022-04-11
  • packetstormsecurity.com http://packetstormsecurity.com/files/166670/SAM-SUNNY-TRIPOWER-5.0-Insecure-Direct-Object-Reference.html referenced PoC, tagged "exploit" by a source, unverified
  • drive.google.com https://drive.google.com/drive/folders/1BPULhDC_g__seH_VnQlVtkrKdOLkXdzV?usp=sharing referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD 2.0 5.5 AV:N/AC:L/Au:S/C:P/I:P/A:N

Classification

Weakness
  • CWE-639 Authorization Bypass Through User-Controlled Key

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.