IBM WebSphere Application Server 7.0/8.0/8.5/9.0 XML Data xml external entity reference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.4 | $5k-$25k | 0.00 |
Summary
A vulnerability classified as critical has been found in IBM WebSphere Application Server 7.0/8.0/8.5/9.0. The impacted element is an unknown function of the component XML Data Handler. Performing a manipulation results in xml external entity reference. This vulnerability is known as CVE-2020-4643. Remote exploitation of the attack is possible. No exploit is available.
Details
A vulnerability classified as critical has been found in IBM WebSphere Application Server 7.0/8.0/8.5/9.0 (Application Server Software). This affects some unknown processing of the component XML Data Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability. CWE is classifying the issue as CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information. IBM X-Force ID: 185590.
The weakness was published 09/21/2020 (Website). The advisory is shared at ibm.com. This vulnerability is uniquely identified as CVE-2020-4643 since 12/30/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/22/2020).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.ibm.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.4VulDB Meta Temp Score: 7.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Xml external entity referenceCWE: CWE-611 / CWE-610
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
12/30/2019 🔍09/21/2020 🔍
09/22/2020 🔍
09/22/2020 🔍
Sources
Vendor: ibm.comAdvisory: ibm.com
Status: Not defined
CVE: CVE-2020-4643 (🔍)
GCVE (CVE): GCVE-0-2020-4643
GCVE (VulDB): GCVE-100-161685
Entry
Created: 09/22/2020 06:51Updated: 09/22/2020 06:56
Changes: 09/22/2020 06:51 (38), 09/22/2020 06:56 (12)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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