Erlang OTP up to 23.2.2 erlsrv.exe access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Erlang OTP up to 23.2.2. It has been rated as critical. This affects an unknown function of the file erlsrv.exe. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2021-29221. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Erlang OTP up to 23.2.2 and classified as critical. This issue affects an unknown function of the file erlsrv.exe. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 04/09/2021. The advisory is shared at deepsurface.com. The identification of this vulnerability is CVE-2021-29221. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 23.2.3 eliminates this vulnerability. The upgrade is hosted for download at github.com.

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

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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: Access control
CWE: CWE-284 / CWE-266
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OTP 23.2.3

Timelineinfo

03/25/2021 🔍
04/09/2021 +14 days 🔍
04/09/2021 +0 days 🔍
04/15/2021 +6 days 🔍

Sourcesinfo

Advisory: deepsurface.com
Status: Confirmed

CVE: CVE-2021-29221 (🔍)
GCVE (CVE): GCVE-0-2021-29221
GCVE (VulDB): GCVE-100-172697

Entryinfo

Created: 04/09/2021 21:14
Updated: 04/15/2021 12:12
Changes: 04/09/2021 21:14 (39), 04/15/2021 12:12 (5)
Complete: 🔍
Cache ID: 216::103

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

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