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CVE-2020-3452— Cisco Adaptive Security Appliances Software 路径遍历漏洞

一分钟漏洞结论

影响对象
Cisco Cisco Adaptive Security Appliance (ASA) Software
利用判断
已确认在野利用，应立即处置
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Cisco Adaptive Security Appliances Software（ASA Software）是美国思科（Cisco）公司的一套防火墙和网络安全平台。该平台提供了对数据和网络资源的高度安全的访问等功能。 Cisco Adaptive Security Appliances Software和FTD Software中存在路径遍历漏洞，该漏洞源于受影响设备没有正确验证HTTP请求中的URL。远程攻击者可通过将包含目录遍历字符序列的特制HTTP请求发送到受影响的设备利用该漏洞在目标设备上查

CVSS 7.5 · High KEV EPSS 99.99% · P100
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一、 漏洞 CVE-2020-3452 基础信息

漏洞信息
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Vulnerability Title
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Read-Only Path Traversal Vulnerability
来源: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct directory traversal attacks and read sensitive files on a targeted system. The vulnerability is due to a lack of proper input validation of URLs in HTTP requests processed by an affected device. An attacker could exploit this vulnerability by sending a crafted HTTP request containing directory traversal character sequences to an affected device. A successful exploit could allow the attacker to view arbitrary files within the web services file system on the targeted device. The web services file system is enabled when the affected device is configured with either WebVPN or AnyConnect features. This vulnerability cannot be used to obtain access to ASA or FTD system files or underlying operating system (OS) files.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
Cisco Adaptive Security Appliances Software 路径遍历漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Cisco Adaptive Security Appliances Software（ASA Software）是美国思科（Cisco）公司的一套防火墙和网络安全平台。该平台提供了对数据和网络资源的高度安全的访问等功能。 Cisco Adaptive Security Appliances Software和FTD Software中存在路径遍历漏洞，该漏洞源于受影响设备没有正确验证HTTP请求中的URL。远程攻击者可通过将包含目录遍历字符序列的特制HTTP请求发送到受影响的设备利用该漏洞在目标设备上查
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

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受影响产品

厂商 产品 影响版本 CPE 订阅
Cisco Cisco Adaptive Security Appliance (ASA) Software unspecified ~ 9.6.4.42 -

二、漏洞 CVE-2020-3452 的公开POC

# POC 描述 源链接 神龙链接
1 None https://github.com/XDev05/CVE-2020-3452-PoC POC详情
2 unauth file read in cisco asa & firepower. https://github.com/Loneyers/cve-2020-3452 POC详情
3 CVE-2020-3452 Cisco ASA Scanner -unauth Path Traversal Check https://github.com/PR3R00T/CVE-2020-3452-Cisco-Scanner POC详情
4 None https://github.com/mr-r3b00t/CVE-2020-3452 POC详情
5 Little, stupid python validator(?) for CVE-2020-3452 on CISCO devices. https://github.com/foulenzer/CVE-2020-3452 POC详情
6 CVE-2020-3452 : Cisco ASA and FTD Unauthorized Remote File Reading Nmap NSE Script https://github.com/Gh0st0ne/http-vuln-cve2020-3452.nse POC详情
7 CVE-2020-3452 exploit https://github.com/0x5ECF4ULT/CVE-2020-3452 POC详情
8 CVE-2020-3452 - directory traversal in Cisco ASA and Cisco Firepower Threat Defense https://github.com/paran0id34/CVE-2020-3452 POC详情
9 [CVE-2020-3452] Cisco Adaptive Security Appliance (ASA) & Cisco Firepower Threat Defense (FTD) Web Service Read-Only Directory Traversal https://github.com/murataydemir/CVE-2020-3452 POC详情
10 (CVE-2020-3452) Cisco Adaptive Security Appliance Software - Local File Inclusion Vuln Test sciript https://github.com/ludy-dev/Cisco-ASA-LFI POC详情
11 Just basic scanner abusing CVE-2020-3452 to enumerate the standard files accessible in the Web Directory of the CISCO ASA applicances. https://github.com/3ndG4me/CVE-2020-3452-Exploit POC详情
12 CVE-2020-3452 https://github.com/grim3/CVE-2020-3452 POC详情
13 None https://github.com/cygenta/CVE-2020-3452 POC详情
14 CISCO CVE-2020-3452 Scanner & Exploiter https://github.com/darklotuskdb/CISCO-CVE-2020-3452-Scanner-Exploiter POC详情
15 CVE-2020-3452 - Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) traversal https://github.com/fuzzlove/Cisco-ASA-FTD-Web-Services-Traversal POC详情
16 simple bash script of CVE-2020-3452 Cisco ASA / Firepower Read-Only Path Traversal Vulnerability checker https://github.com/faisalfs10x/Cisco-CVE-2020-3452-shodan-scanner POC详情
17 None https://github.com/sujaygr8/CVE-2020-3452 POC详情
18 Test vulnerability of CVE-2020-3452 https://github.com/Aviksaikat/CVE-2020-3452 POC详情
19 None https://github.com/Veids/CVE-2020-3452_auto POC详情
20 Just proof of concept for Cisco CVE-2020-3452. Using external or internal file base. https://github.com/iveresk/cve-2020-3452 POC详情
21 Exploitation Scanner CVE-2020-3452 to enumerate the standard files accessible in the Path Traversal of CISCO ASA/FTD .🔥 https://github.com/imhunterand/CVE-2020-3452 POC详情
22 Cisco Adaptive Security Appliance (ASA)/Firepower Threat Defense (FTD) - Local File Inclusion https://github.com/Cappricio-Securities/CVE-2020-3452 POC详情
23 Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software is vulnerable to local file inclusion due to directory traversal attacks that can read sensitive files on a targeted system because of a lack of proper input validation of URLs in HTTP requests processed by an affected device. An attacker could exploit this vulnerability by sending a crafted HTTP request containing directory traversal character sequences to an affected device. A successful exploit could allow the attacker to view arbitrary files within the web services file system on the targeted device. The web services file system is enabled when the affected device is configured with either WebVPN or AnyConnect features. This vulnerability cannot be used to obtain access to ASA or FTD system files or underlying operating system (OS) files. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-3452.yaml POC详情
24 None https://github.com/Threekiii/Awesome-POC/blob/master/%E7%BD%91%E7%BB%9C%E8%AE%BE%E5%A4%87%E6%BC%8F%E6%B4%9E/Cisco%20ASA%E8%AE%BE%E5%A4%87%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96%E6%BC%8F%E6%B4%9E%20CVE-2020-3452.md POC详情
25 None https://github.com/chaitin/xray-plugins/blob/main/poc/manual/cisco-cve-2020-3452-readfile.yml POC详情
26 Proof-of-concept script for CVE-2020-3452 — Cisco ASA/FTD Path Traversal vulnerability. Supports automated extraction of known file targets with a hard limit on successful downloads for safety. Intended for authorized security testing and research purposes only. https://github.com/abrewer251/CVE-2020-3452_Cisco_ASA_PathTraversal POC详情
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三、漏洞 CVE-2020-3452 的情报信息

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CVE-2020-3452 厂商安全公告 (1)

CVE-2020-3452 公开利用代码 (3)

IV. Related Vulnerabilities

Same product: Cisco Adaptive Security Appliance (ASA) Software
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2020-3452

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