Oracle Communications Session Route Manager up to 8.x Third Party out-of-bounds write

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.
9.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Oracle Communications Session Route Manager up to 8.x. It has been rated as very critical. This affects an unknown function of the component Third Party. Performing a manipulation results in an unknown weakness. This vulnerability is cataloged as CVE-2021-44790. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Oracle Communications Session Route Manager up to 8.x (Cloud Software). It has been classified as very critical. This affects an unknown function of the component Third Party. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 04/19/2022 as Oracle Critical Patch Update Advisory - April 2022. It is possible to read the advisory at oracle.com. This vulnerability is uniquely identified as CVE-2021-44790. Technical details are unknown but a public exploit is available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/04/2026).

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $100k and more.

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

The vulnerability is also documented in the databases at Exploit-DB (51193) and CERT Bund (WID-SEC-2022-0727). Be aware that VulDB is the high quality source for vulnerability data.

Affected

Open Source CentOS
Debian Linux
Amazon Linux 2
IBM Power Hardware Management Console
Red Hat Enterprise Linux
Ubuntu Linux
SUSE Linux
Oracle Linux
Gentoo Linux
Avaya Aura Communication Manager
Avaya Aura Session Manager
Avaya Aura Application Enablement Services
Avaya Aura System Manager
Avaya Aura Experience Portal
Avaya Web License Manager
Apache HTTP Server

Productinfo

Type

Cloud Software

Vendor

Oracle

Name

Communications Session Route Manager

Version

License

commercial

Website

Vendor: https://www.oracle.com

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.3

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

12/10/2021 🔍
04/19/2022 +129 days 🔍
04/19/2022 +0 days 🔍
04/20/2022 +1 days 🔍
01/04/2026 +1355 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2021-44790 (🔍)
GCVE (CVE): GCVE-0-2021-44790
GCVE (VulDB): GCVE-100-197799
CERT Bund: WID-SEC-2022-0727 - Apache HTTP Server: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/20/2022 07:59
Updated: 01/04/2026 05:15
Changes: 04/20/2022 07:59 (39), 04/23/2022 09:38 (2), 04/23/2022 09:40 (18), 11/05/2024 13:13 (23), 05/01/2025 20:18 (1), 01/04/2026 05:15 (7)
Complete: 🔍
Cache ID: 216::103