SOGo up to 2.4.0/5.1.0 SAML Assertion signature verification

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in SOGo up to 2.4.0/5.1.0. It has been declared as critical. Affected by this issue is some unknown functionality of the component SAML Assertion Handler. The manipulation results in signature verification. This vulnerability is cataloged as CVE-2021-33054. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in SOGo up to 2.4.0/5.1.0. Affected is some unknown processing of the component SAML Assertion Handler. The manipulation with an unknown input leads to a signature verification vulnerability. CWE is classifying the issue as CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 06/04/2021. The advisory is shared for download at blogs.akamai.com. This vulnerability is traded as CVE-2021-33054. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 246906 (Linux Distros Unpatched Vulnerability : CVE-2021-33054), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.4.1 or 5.1.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (246906). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Signature verification
CWE: CWE-347 / CWE-345
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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Nessus ID: 246906
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2021-33054

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SOGo 2.4.1/5.1.1

Timelineinfo

05/17/2021 🔍
06/04/2021 +18 days 🔍
06/04/2021 +0 days 🔍
08/10/2025 +1528 days 🔍

Sourcesinfo

Advisory: blogs.akamai.com
Status: Confirmed

CVE: CVE-2021-33054 (🔍)
GCVE (CVE): GCVE-0-2021-33054
GCVE (VulDB): GCVE-100-176364

Entryinfo

Created: 06/04/2021 21:48
Updated: 08/10/2025 16:17
Changes: 06/04/2021 21:48 (37), 06/10/2021 07:19 (5), 08/10/2025 16:17 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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