VDB-189858 · CVE-2021-32998 · icsa-21-243-02

FANUC R-30iA/R-30iB Backup out-of-bounds write

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in FANUC R-30iA and R-30iB and classified as critical. This impacts an unknown function of the component Backup Handler. The manipulation results in out-of-bounds write. This vulnerability was named CVE-2021-32998. The attack may be performed from remote. There is no available exploit. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in FANUC R-30iA and R-30iB (the affected version is unknown). Affected is an unknown code of the component Backup Handler. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 01/10/2022 as icsa-21-243-02. The advisory is available at cisa.gov. This vulnerability is traded as CVE-2021-32998 since 05/13/2021. The technical details are unknown and an exploit is not available.

It is possible to mitigate the weakness by firewalling .

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

FANUC

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.3
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.4
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/13/2021 🔍
01/10/2022 +242 days 🔍
01/10/2022 +0 days 🔍
04/17/2025 +1193 days 🔍

Sourcesinfo

Advisory: icsa-21-243-02
Status: Not defined

CVE: CVE-2021-32998 (🔍)
GCVE (CVE): GCVE-0-2021-32998
GCVE (VulDB): GCVE-100-189858

Entryinfo

Created: 01/10/2022 18:19
Updated: 04/17/2025 22:06
Changes: 01/10/2022 18:19 (38), 01/12/2022 09:05 (1), 04/17/2025 22:06 (33)
Complete: 🔍
Cache ID: 216::103