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.
結論預警: CVE-2025-34026 綜合評估為嚴重在野威脅(95.9/100):CVSS 技術影響為嚴重級,利用機率偏高(EPSS 71.08%,百分位 99%) 核心證據: CISA 已知被利用漏洞目錄(KEV)已於 2026-01-22 確認在野利用,影響 Versa / Concerto,弱點類型(CWE-288),攻擊者可能未經認證遠端取得高權限管理存取。 強制指令: CISA 處置期限已過,應以應急修補優先立即處理。
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: Versa Concerto Improper Authentication Vulnerability · CISA KEV 詳情
: 2026-01-22
: 2026-02-12
: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| EDB-ID | 來源 | 類型 | 公開時間 | 連結 |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS 日更估計相對被利用可能性;百分位表示該 CVE 在已評分漏洞中的相對排名(越高表示相對更嚴重)。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化(新 − 舊) |
|---|---|---|---|---|
| 1 | 2026-05-04 | 71.58% | 71.08% | -0.50% |
| 2 | 2026-04-17 | 73.73% | 71.58% | -2.15% |
| 3 | 2026-04-14 | — | 73.73% | — |
完整 EPSS 歷史 (共 29 筆)
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 9.2 | 4.0 | CRITICAL |
|
— | — | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| versa-networks | concerto | >= 11.4.0, < 12.1.2 | cpe:2.3:a:versa-networks:concerto:*:*:*:*:*:*:*:* |
| versa-networks | concerto | 12.1.2 | cpe:2.3:a:versa-networks:concerto:12.1.2:-:*:*:*:*:*:* |
| versa-networks | concerto | 12.2.0 | cpe:2.3:a:versa-networks:concerto:12.2.0:*:*:*:*:*:*:* |
| URL | 標籤 |
|---|---|
| https://projectdiscovery.io/blog/versa-concerto-authentication-bypass-rce | Exploit Mitigation Third Party Advisory |
| https://security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e | Vendor Advisory |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-34026 | US Government Resource |