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CVE-2021-1266— Cisco Managed Services Accelerator Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco Managed Services Accelerator
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Managed Services Accelerator（MSX）是美国思科（Cisco）公司的一套多租户、多服务、云原生的服务创建和交付平台。 Cisco?Managed Services Accelerator (MSX) 存在资源管理错误漏洞，该漏洞允许经过身份验证的远程攻击者在受影响的设备上造成拒绝服务(DoS)条件。

CVSS 4.3 · Medium EPSS 1.14% · P65

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-1266

Vulnerability Information
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Vulnerability Title
Cisco Managed Services Accelerator Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the REST API of Cisco Managed Services Accelerator (MSX) could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to the way that the affected software logs certain API requests. An attacker could exploit this vulnerability by sending a flood of crafted API requests to an affected device. A successful exploit could allow the attacker to cause a DoS condition on the affected device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Managed Services Accelerator 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Managed Services Accelerator（MSX）是美国思科（Cisco）公司的一套多租户、多服务、云原生的服务创建和交付平台。 Cisco?Managed Services Accelerator (MSX) 存在资源管理错误漏洞，该漏洞允许经过身份验证的远程攻击者在受影响的设备上造成拒绝服务(DoS)条件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Managed Services Accelerator n/a -

II. Public POCs for CVE-2021-1266

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III. Intelligence Information for CVE-2021-1266

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Vendor Advisories for CVE-2021-1266 (1)

Same Patch Batch · Cisco · 2021-02-04 · 56 CVEs total

CVE-2021-1289 9.8 CRITICAL Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec
CVE-2021-1290 9.8 CRITICAL Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec
CVE-2021-1291 9.8 CRITICAL Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec
CVE-2021-1292 9.8 CRITICAL Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec
CVE-2021-1293 9.8 CRITICAL Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec
CVE-2021-1294 9.8 CRITICAL Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec
CVE-2021-1295 9.8 CRITICAL Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Exec
CVE-2021-1313 8.6 HIGH Cisco IOS XR Software Enf Broker Denial of Service Vulnerability
CVE-2021-1288 8.6 HIGH Cisco IOS XR Software Enf Broker Denial of Service Vulnerability
CVE-2021-1297 7.5 HIGH Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Arbitrary File W
CVE-2021-1296 7.5 HIGH Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Arbitrary File W
CVE-2021-1268 7.4 HIGH Cisco IOS XR Software IPv6 Flood Denial of Service Vulnerability
CVE-2021-1322 7.2 HIGH Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D
CVE-2021-1330 7.2 HIGH Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D
CVE-2021-1323 7.2 HIGH Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D
CVE-2021-1324 7.2 HIGH Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D
CVE-2021-1325 7.2 HIGH Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D
CVE-2021-1329 7.2 HIGH Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D
CVE-2021-1327 7.2 HIGH Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D
CVE-2021-1326 7.2 HIGH Cisco Small Business RV Series Routers Management Interface Remote Command Execution and D

Showing top 20 of 56 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Managed Services Accelerator
Same vendor: Cisco
Same weakness: CWE-400

V. Comments for CVE-2021-1266

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