Antenna House Office Server Document Converter up to 7.1MR7/7.2MR4 XML Document xml external entity reference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Antenna House Office Server Document Converter up to 7.1MR7/7.2MR4 and classified as critical. Affected is an unknown function of the component XML Document Handler. Performing a manipulation results in xml external entity reference. This vulnerability is identified as CVE-2021-20838. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Antenna House Office Server Document Converter up to 7.1MR7/7.2MR4. It has been classified as critical. This affects an unknown part of the component XML Document 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 weakness was released 11/01/2021. It is possible to read the advisory at jvn.jp. This vulnerability is uniquely identified as CVE-2021-20838 since 12/17/2020. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Xml external entity reference
CWE: 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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
11/01/2021 +319 days 🔍
11/01/2021 +0 days 🔍
11/04/2021 +3 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2021-20838 (🔍)
GCVE (CVE): GCVE-0-2021-20838
GCVE (VulDB): GCVE-100-185811

Entryinfo

Created: 11/01/2021 09:02
Updated: 11/04/2021 10:38
Changes: 11/01/2021 09:02 (36), 11/04/2021 10:32 (1), 11/04/2021 10:38 (18)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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