HOMEVULNERABILITIESCVE-2021-31477
HIGH

CVE-2021-31477

CWE-798Published: June 16, 2021· Updated: Jun 17, 2026

7.3
CVSS v3.1

Official Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of GE Reason RPV311 14A03. Authentication is not required to exploit this vulnerability. The specific flaw exists within the firmware and filesystem of the device. The firmware and filesystem contain hard-coded default credentials. An attacker can leverage this vulnerability to execute code in the context of the download user. Was ZDI-CAN-11852.

NVD Source

Technical Analysis

CVE-2021-31477 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected Vendors & Products

ge2 product(s)
reason rpv311 firmwarerpv311
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.gegridsolutions.com/products/support/GES-2021-005%20-%20RPV311%20Security%20Notice.pdf
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-21-616/
ADVISORYhttps://www.gegridsolutions.com/products/support/GES-2021-005%20-%20RPV311%20Security%20Notice.pdf
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-21-616/

All References (4)

→
https://www.gegridsolutions.com/products/support/GES-2021-005%20-%20RPV311%20Security%20Notice.pdfVendor Advisory
→
https://www.zerodayinitiative.com/advisories/ZDI-21-616/Third Party Advisory · VDB Entry
→
https://www.gegridsolutions.com/products/support/GES-2021-005%20-%20RPV311%20Security%20Notice.pdfVendor Advisory
→
https://www.zerodayinitiative.com/advisories/ZDI-21-616/Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2021-31477
CVSS Score7.3 / 10
SeverityHIGH
WeaknessCWE-798
CISA KEVNo
Affected1 vendor(s)
PublishedJun 16, 2021

Related CVEs (CWE-798)

CVE-2021-0248
10.0
CVE-2020-6963
10.0
CVE-2014-9198
10.0
CVE-2018-5560
10.0
CVE-2013-3542
10.0
CVE-2026-22769
KEV10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-31477 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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