CVE-2021-1530— Cisco BroadWorks Messaging Server XML External Entity Injection Vulnerability
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I. Basic Information for CVE-2021-1530
Vulnerability Information
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Vulnerability Title
Cisco BroadWorks Messaging Server XML External Entity Injection Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the web-based management interface of Cisco BroadWorks Messaging Server Software could allow an authenticated, remote attacker to access sensitive information or cause a partial denial of service (DoS) condition on an affected system. This vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing certain XML files. An attacker could exploit this vulnerability by uploading a crafted XML file that contains references to external entities. A successful exploit could allow the attacker to retrieve files from the local system, resulting in the disclosure of sensitive information, or cause the application to consume available resources, resulting in a partial DoS condition on an affected system. There are workarounds that address this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco BroadWorks Messaging Server 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco BroadWorks Messaging Server是美国思科（Cisco）公司的一个数据库服务器。 Cisco BroadWorks Messaging Server Software 存在代码问题漏洞，允许经过身份验证的远程攻击者可利用该漏洞访问敏感信息，或导致受影响系统出现部分拒绝服务(DoS)状况。
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 BroadWorks | n/a | - |
II. Public POCs for CVE-2021-1530
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-bwms-xxe-uSLrZgKsvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2021-1530
Same Patch Batch · Cisco · 2021-05-06 · 41 CVEs total
| CVE-2021-1508 | 9.8 CRITICAL | Cisco SD-WAN vManage Software Vulnerabilities |
| CVE-2021-1506 | 9.8 CRITICAL | Cisco SD-WAN vManage Software Vulnerabilities |
| CVE-2021-1505 | 9.8 CRITICAL | Cisco SD-WAN vManage Software Vulnerabilities |
| CVE-2021-1275 | 9.8 CRITICAL | Cisco SD-WAN vManage Software Vulnerabilities |
| CVE-2021-1468 | 9.8 CRITICAL | Cisco SD-WAN vManage Software Vulnerabilities |
| CVE-2021-1498 | 9.8 CRITICAL | Cisco HyperFlex HX Command Injection Vulnerabilities |
| CVE-2021-1497 | 9.8 CRITICAL | Cisco HyperFlex HX Command Injection Vulnerabilities |
| CVE-2021-1284 | 8.8 HIGH | Cisco SD-WAN vManage Software Authentication Bypass Vulnerability |
| CVE-2021-1401 | 8.8 HIGH | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Vulnerabilities |
| CVE-2021-1400 | 8.8 HIGH | Cisco Small Business 100, 300, and 500 Series Wireless Access Points Vulnerabilities |
| CVE-2021-1421 | 7.8 HIGH | Cisco Enterprise NFV Infrastructure Software Command Injection Vulnerability |
| CVE-2021-1513 | 7.5 HIGH | Cisco SD-WAN Software vDaemon Denial of Service Vulnerability |
| CVE-2021-1509 | 7.5 HIGH | Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities |
| CVE-2021-1510 | 7.5 HIGH | Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities |
| CVE-2021-1511 | 7.5 HIGH | Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities |
| CVE-2021-1365 | 7.1 HIGH | Cisco Unified Communications Manager IM & Presence Service SQL Injection Vulnerabilities |
| CVE-2021-1363 | 7.1 HIGH | Cisco Unified Communications Manager IM & Presence Service SQL Injection Vulnerabilities |
| CVE-2021-1426 | 7.0 HIGH | Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabi |
| CVE-2021-1427 | 7.0 HIGH | Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabi |
| CVE-2021-1430 | 7.0 HIGH | Cisco AnyConnect Secure Mobility Client for Windows DLL and Executable Hijacking Vulnerabi |
Showing top 20 of 41 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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Same weakness: CWE-611
- CVE-2026-41936
Vvveb < 1.0.8.2 XML External Entity Injection via Import - CVE-2026-40682
Apache OpenNLP: XXE via Dictionary Parsing in DictionaryEntr - CVE-2026-6501
ILM Informatique jOpenDocument 代码问题漏洞 - CVE-2025-14543
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Arbitrary File Read and Server Side Request Forgery via XML
V. Comments for CVE-2021-1530
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