Versa Concerto up to 12.2.0 Internal Actuator Endpoint improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Versa Concerto up to 12.2.0. Affected by this issue is some unknown functionality of the component Internal Actuator Endpoint. The manipulation results in improper authentication. This vulnerability was named CVE-2025-34026. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Versa Concerto up to 12.2.0. It has been classified as critical. Affected is some unknown functionality of the component Internal Actuator Endpoint. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.This issue is known to affect Concerto from 12.1.2 through 12.2.0. Additional versions may be vulnerable.

The weakness was presented by Parth Malhotra. The advisory is shared for download at projectdiscovery.io. This vulnerability is traded as CVE-2025-34026 since 04/15/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/24/2026).

It is declared as attacked. This issue was added on 01/22/2026 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 02/12/2026:

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-16087). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/15/2025 🔍
05/22/2025 +37 days 🔍
05/22/2025 +0 days 🔍
01/24/2026 +247 days 🔍

Sourcesinfo

Advisory: projectdiscovery.io
Researcher: Parth Malhotra
Status: Confirmed

CVE: CVE-2025-34026 (🔍)
GCVE (CVE): GCVE-0-2025-34026
GCVE (VulDB): GCVE-100-309948
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/22/2025 06:41
Updated: 01/24/2026 06:03
Changes: 05/22/2025 06:41 (66), 05/22/2025 13:04 (1), 05/24/2025 03:31 (1), 01/22/2026 22:14 (15), 01/24/2026 06:03 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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