Oracle Retail Xstore Point of Service up to 20.0.1 Xenvironment deserialization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.6 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in Oracle Retail Xstore Point of Service 16.0.6/17.0.4/18.0.3/19.0.2/20.0.1. Affected by this vulnerability is an unknown functionality of the component Xenvironment. The manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2021-39139. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Oracle Retail Xstore Point of Service 16.0.6/17.0.4/18.0.3/19.0.2/20.0.1 (Warehouse Management System Software). It has been rated as critical. This issue affects an unknown functionality of the component Xenvironment. Using CWE to declare the problem leads to CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. Impacted is confidentiality, integrity, and availability.
The weakness was presented 04/19/2022 as Oracle Critical Patch Update Advisory - April 2022. It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2021-39139. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/23/2025).
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
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Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.oracle.com
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.7VulDB Meta Temp Score: 8.6
VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CNA Base Score: 8.5
CNA Vector (GitHub, Inc.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: DeserializationCWE: 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: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
08/16/2021 🔍04/19/2022 🔍
04/19/2022 🔍
04/20/2022 🔍
05/23/2025 🔍
Sources
Vendor: oracle.comAdvisory: Oracle Critical Patch Update Advisory - April 2022
Status: Confirmed
CVE: CVE-2021-39139 (🔍)
GCVE (CVE): GCVE-0-2021-39139
GCVE (VulDB): GCVE-100-198143
Entry
Created: 04/20/2022 08:01Updated: 05/23/2025 21:32
Changes: 04/20/2022 08:01 (39), 04/26/2022 19:12 (2), 04/26/2022 19:21 (30), 04/26/2022 19:29 (2), 05/23/2025 21:32 (15)
Complete: 🔍
Cache ID: 216::103
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