Apache Dubbo up to 2.5.x/2.6.8/2.7.7 hashCode deserialization

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.7 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Apache Dubbo up to 2.5.x/2.6.8/2.7.7. Impacted is the function hashCode. Such manipulation leads to deserialization.
This vulnerability is documented as CVE-2020-11995. The attack can be executed remotely. There is not any exploit available.
It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as critical, has been found in Apache Dubbo up to 2.5.x/2.6.8/2.7.7. Affected by this issue is the function hashCode. The manipulation with an unknown input leads to a deserialization vulnerability. 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 released 01/11/2021. The advisory is available at lists.apache.org. This vulnerability is handled as CVE-2020-11995. Technical details are known, but there is no available exploit.
Upgrading to version 2.6.9 or 2.7.8 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at lists.apache.org. The best possible mitigation is suggested to be upgrading to the latest version.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6.0
- 2.6.1
- 2.6.2
- 2.6.3
- 2.6.4
- 2.6.5
- 2.6.6
- 2.6.7
- 2.6.8
- 2.7.0
- 2.7.1
- 2.7.2
- 2.7.3
- 2.7.4
- 2.7.5
- 2.7.6
- 2.7.7
License
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.0VulDB Meta Temp Score: 7.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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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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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Dubbo 2.6.9/2.7.8
Patch: lists.apache.org
Timeline
04/21/2020 🔍01/11/2021 🔍
01/11/2021 🔍
02/11/2021 🔍
Sources
Vendor: apache.orgAdvisory: lists.apache.org
Status: Confirmed
CVE: CVE-2020-11995 (🔍)
GCVE (CVE): GCVE-0-2020-11995
GCVE (VulDB): GCVE-100-167546
Entry
Created: 01/11/2021 13:01Updated: 02/11/2021 01:00
Changes: 01/11/2021 13:01 (39), 02/11/2021 00:53 (5), 02/11/2021 01:00 (18)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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