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CVE-2025-32433

Warning
Media report
Exploit

Erlang/OTP is a set of libraries for the Erlang programming language. Prior to versions OTP-27.3.3, OTP-26.2.5.11, and OTP-25.3.2.20, a SSH server may allow an attacker to perform unauthenticated remote code execution (RCE). By exploiting a flaw in SSH protocol message handling, a malicious actor could gain unauthorized access to affected systems and execute arbitrary commands without valid credentials. This issue is patched in versions OTP-27.3.3, OTP-26.2.5.11, and OTP-25.3.2.20. A temporary workaround involves disabling the SSH server or to prevent access via firewall rules.

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Cisco ≫ Confd Basic Version < 7.7.19.1
Cisco ≫ Confd Basic Version >= 8.0.18 < 8.1.16.2
Cisco ≫ Confd Basic Version >= 8.2 < 8.2.11.1
Cisco ≫ Confd Basic Version >= 8.3 < 8.3.8.1
Cisco ≫ Confd Basic Version >= 8.4 < 8.4.4.1
Cisco ≫ Network Services Orchestrator Version < 5.7.19.1
Cisco ≫ Network Services Orchestrator Version >= 5.8 < 6.1.16.2
Cisco ≫ Network Services Orchestrator Version >= 6.2 < 6.2.11.1
Cisco ≫ Network Services Orchestrator Version >= 6.3 < 6.3.8.1
Cisco ≫ Network Services Orchestrator Version >= 6.4 < 6.4.1.1
Cisco ≫ Network Services Orchestrator Version >= 6.4.2 < 6.4.4.1
Cisco ≫ Inode Manager Version-
Cisco ≫ Smart Phy Version < 25.2
Cisco ≫ Ultra Packet Core Version < 2025.03
Cisco ≫ Staros Version < 2025.03
Cisco ≫ Optical Site Manager Version < 25.2.1
   Cisco ≫ Ncs 1001 Version-
   Cisco ≫ Ncs 1002 Version-
   Cisco ≫ Ncs 1004 Version-
Cisco ≫ Ultra Cloud Core Version < 2025.03.1
Cisco ≫ Rv160w Firmware Version-
   Cisco ≫ Rv160w Version-
Cisco ≫ Rv260 Firmware Version-
   Cisco ≫ Rv260 Version-
Cisco ≫ Rv160 Firmware Version-
   Cisco ≫ Rv160 Version-
Cisco ≫ Rv260p Firmware Version-
   Cisco ≫ Rv260p Version-
Cisco ≫ Rv260w Firmware Version-
   Cisco ≫ Rv260w Version-
Cisco ≫ Rv340 Firmware Version-
   Cisco ≫ Rv340 Version-
Cisco ≫ Rv340w Firmware Version-
   Cisco ≫ Rv340w Version-
Cisco ≫ Rv345 Firmware Version-
   Cisco ≫ Rv345 Version-
Cisco ≫ Rv345p Firmware Version-
   Cisco ≫ Rv345p Version-

09.06.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

Erlang Erlang/OTP SSH Server Missing Authentication for Critical Function Vulnerability

Vulnerability

Erlang Erlang/OTP SSH server contains a missing authentication for critical function vulnerability. This could allow an attacker to execute arbitrary commands without valid credentials, potentially leading to unauthenticated remote code execution (RCE). By exploiting a flaw in how SSH protocol messages are handled, a malicious actor could gain unauthorized access to affected systems. This vulnerability could affect various products that implement Erlang/OTP SSH server, including—but not limited to—Cisco, NetApp, and SUSE.

Description

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

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 66.37% 0.985
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
security-advisories@github.com 10 3.9 6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE-306 Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.