VDB-190768 · CVE-2021-2351 · GCVE-0-2021-2351

Oracle Communications Calendar Server 8.0.0.5.0 Administration Remote Code Execution

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Oracle Communications Calendar Server 8.0.0.5.0 and classified as critical. The affected element is an unknown function of the component Administration. Executing a manipulation can lead to an unknown weakness. This vulnerability appears as CVE-2021-2351. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Oracle Communications Calendar Server 8.0.0.5.0 (Cloud Software) and classified as critical. This vulnerability affects an unknown code of the component Administration. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 01/19/2021 as Oracle Critical Patch Update Advisory - January 2022. The advisory is shared for download at oracle.com. This vulnerability was named CVE-2021-2351. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Cloud Software

Vendor

Oracle

Name

Communications Calendar Server

Version

8.0.0.5.0

License

commercial

Website

Vendor: https://www.oracle.com

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.3
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.3
CNA Vector (Oracle): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
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
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

12/09/2020 🔍
01/19/2021 +41 days 🔍
01/19/2021 +0 days 🔍
01/19/2022 +365 days 🔍
01/21/2022 +2 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - January 2022
Status: Confirmed

CVE: CVE-2021-2351 (🔍)
GCVE (CVE): GCVE-0-2021-2351
GCVE (VulDB): GCVE-100-190768

Entryinfo

Created: 01/19/2022 15:46
Updated: 01/21/2022 09:58
Changes: 01/19/2022 15:46 (39), 01/21/2022 09:56 (2), 01/21/2022 09:58 (18)
Complete: 🔍
Cache ID: 216::103