Sangoma Asterisk up to 18.5.0 PJSIP privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Sangoma Asterisk up to 18.5.0. Affected by this issue is some unknown functionality of the component PJSIP. This manipulation causes an unknown weakness. This vulnerability is registered as CVE-2021-31878. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Sangoma Asterisk up to 18.5.0 (Communications System). Affected by this vulnerability is an unknown code of the component PJSIP. The impact remains unknown.

The weakness was published 07/30/2021 as AST-2021-007. The advisory is shared at downloads.asterisk.org. This vulnerability is known as CVE-2021-31878. Neither technical details nor an exploit are publicly available.

Upgrading to version 18.5.1 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Asterisk 18.5.1

Timelineinfo

04/29/2021 🔍
07/30/2021 +92 days 🔍
07/30/2021 +0 days 🔍
08/06/2021 +7 days 🔍

Sourcesinfo

Advisory: AST-2021-007
Status: Confirmed

CVE: CVE-2021-31878 (🔍)
GCVE (CVE): GCVE-0-2021-31878
GCVE (VulDB): GCVE-100-179785

Entryinfo

Created: 07/30/2021 19:57
Updated: 08/06/2021 02:54
Changes: 07/30/2021 19:57 (38), 08/06/2021 02:54 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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