Cybozu Remote Service 3.1.8/3.1.9 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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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Cybozu Remote Service 3.1.8/3.1.9 and classified as critical. The impacted element is an unknown function. The manipulation results in xml external entity reference. This vulnerability is identified as CVE-2021-20801. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Cybozu Remote Service 3.1.8/3.1.9. Affected is an unknown code. 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 10/13/2021. The advisory is shared for download at jvn.jp. This vulnerability is traded as CVE-2021-20801 since 12/17/2020. There are neither technical details nor an exploit publicly available.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

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

CVSSv2info

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

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 🔍
10/13/2021 +299 days 🔍
10/13/2021 +0 days 🔍
10/20/2021 +7 days 🔍

Sourcesinfo

Vendor: cybozu-global.com

Advisory: jvn.jp
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-20801 (🔍)
GCVE (CVE): GCVE-0-2021-20801
GCVE (VulDB): GCVE-100-184356

Entryinfo

Created: 10/13/2021 12:34
Updated: 10/20/2021 09:13
Changes: 10/13/2021 12:34 (36), 10/20/2021 09:13 (1)
Complete: 🔍
Cache ID: 216::103

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