Oracle Communications BRM Elastic Charging Engine 12.0.0.3.0 XStream deserialization

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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8.4$5k-$25k0.00

Summaryinfo

A vulnerability described as very critical has been identified in Oracle Communications BRM Elastic Charging Engine 12.0.0.3.0. Affected by this issue is some unknown functionality of the component XStream. Executing a manipulation can lead to an unknown weakness. This vulnerability is registered as CVE-2021-21345. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Oracle Communications BRM Elastic Charging Engine 12.0.0.3.0 (Cloud Software) and classified as very critical. This vulnerability affects an unknown code block of the component XStream. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 07/20/2021 as Oracle Critical Patch Update Advisory - July 2021. The advisory is shared for download at oracle.com. This vulnerability was named CVE-2021-21345. 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 05/23/2025).

As 0-day the estimated underground price was around $25k-$100k.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.9
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.9
NVD Vector: 🔍

CNA Base Score: 5.8
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

12/22/2020 🔍
07/20/2021 +209 days 🔍
07/20/2021 +0 days 🔍
07/21/2021 +1 days 🔍
05/23/2025 +1402 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - July 2021
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-21345 (🔍)
GCVE (CVE): GCVE-0-2021-21345
GCVE (VulDB): GCVE-100-178960

Entryinfo

Created: 07/21/2021 10:36
Updated: 05/23/2025 20:33
Changes: 07/21/2021 10:36 (39), 07/22/2021 20:26 (3), 07/22/2021 20:33 (19), 05/23/2025 20:33 (26)
Complete: 🔍
Cache ID: 216::103

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