Oracle Communications Cloud Native Core Binding Support Function BSF input validation

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 (≈)
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CTI Interest Score
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9.6$5k-$25k0.00

Summaryinfo

A vulnerability categorized as very critical has been discovered in Oracle Communications Cloud Native Core Binding Support Function 1.11.0. This vulnerability affects unknown code of the component BSF. The manipulation results in an unknown weakness. This vulnerability is reported as CVE-2021-29921. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle Communications Cloud Native Core Binding Support Function 1.11.0 (Cloud Software). It has been classified as very critical. Affected is an unknown functionality of the component BSF. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 04/19/2022 as Oracle Critical Patch Update Advisory - April 2022. The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2021-29921. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 11/04/2025).

As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 211991 (Debian dla-3980 : idle-python3.9 - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (211991). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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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Nessus ID: 211991
Nessus Name: Debian dla-3980 : idle-python3.9 - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: github.com

Timelineinfo

04/01/2021 🔍
04/19/2022 +383 days 🔍
04/19/2022 +0 days 🔍
04/20/2022 +1 days 🔍
11/04/2025 +1294 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - April 2022
Status: Confirmed

CVE: CVE-2021-29921 (🔍)
GCVE (CVE): GCVE-0-2021-29921
GCVE (VulDB): GCVE-100-197772

Entryinfo

Created: 04/20/2022 07:59
Updated: 11/04/2025 04:09
Changes: 04/20/2022 07:59 (39), 04/23/2022 02:08 (3), 04/23/2022 02:15 (19), 12/02/2024 17:07 (16), 11/04/2025 04:09 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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