Vulnerability-Lookup

CNVD-2020-51416

Vulnerability from cnvd - Published: 2020-09-10

Title

DrayTek Vigor3900、Vigor2960和Vigor300B操作系统命令注入漏洞（CNVD-2020-51416）

Description

DrayTek Vigor3900等都是中国台湾居易科技（DrayTek）公司的产品。DrayTek Vigor3900是一款宽带路由器/VPN网关设备。Vigor2960是一款负载平衡路由器和VPN网关设备。Vigor300B是一款负载均衡路由器。 DrayTek Vigor3900、Vigor2960和Vigor300B 1.5.1之前版本中存在操作系统命令注入漏洞，攻击者可借助shell元字符利用该漏洞执行命令。

Severity

高

Patch Name

DrayTek Vigor3900、Vigor2960和Vigor300B操作系统命令注入漏洞（CNVD-2020-51416）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.draytek.com/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-15415

Impacted products

Name
['DrayTek Vigor3900 <1.5.1', 'DrayTek Vigor2960 <1.5.1', 'DrayTek Vigor300B <1.5.1']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-15415"
    }
  },
  "description": "DrayTek Vigor3900\u7b49\u90fd\u662f\u4e2d\u56fd\u53f0\u6e7e\u5c45\u6613\u79d1\u6280\uff08DrayTek\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002DrayTek Vigor3900\u662f\u4e00\u6b3e\u5bbd\u5e26\u8def\u7531\u5668/VPN\u7f51\u5173\u8bbe\u5907\u3002Vigor2960\u662f\u4e00\u6b3e\u8d1f\u8f7d\u5e73\u8861\u8def\u7531\u5668\u548cVPN\u7f51\u5173\u8bbe\u5907\u3002Vigor300B\u662f\u4e00\u6b3e\u8d1f\u8f7d\u5747\u8861\u8def\u7531\u5668\u3002\n\nDrayTek Vigor3900\u3001Vigor2960\u548cVigor300B 1.5.1\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9shell\u5143\u5b57\u7b26\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u547d\u4ee4\u3002",
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  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-51416",
  "openTime": "2020-09-10",
  "patchDescription": "DrayTek Vigor3900\u7b49\u90fd\u662f\u4e2d\u56fd\u53f0\u6e7e\u5c45\u6613\u79d1\u6280\uff08DrayTek\uff09\u516c\u53f8\u7684\u4ea7\u54c1\u3002DrayTek Vigor3900\u662f\u4e00\u6b3e\u5bbd\u5e26\u8def\u7531\u5668/VPN\u7f51\u5173\u8bbe\u5907\u3002Vigor2960\u662f\u4e00\u6b3e\u8d1f\u8f7d\u5e73\u8861\u8def\u7531\u5668\u548cVPN\u7f51\u5173\u8bbe\u5907\u3002Vigor300B\u662f\u4e00\u6b3e\u8d1f\u8f7d\u5747\u8861\u8def\u7531\u5668\u3002\r\n\r\nDrayTek Vigor3900\u3001Vigor2960\u548cVigor300B 1.5.1\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u501f\u52a9shell\u5143\u5b57\u7b26\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u547d\u4ee4\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "DrayTek Vigor3900\u3001Vigor2960\u548cVigor300B\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff08CNVD-2020-51416\uff09\u7684\u8865\u4e01",
  "products": {
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      "DrayTek Vigor2960 \u003c1.5.1",
      "DrayTek Vigor300B \u003c1.5.1"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-15415",
  "serverity": "\u9ad8",
  "submitTime": "2020-07-01",
  "title": "DrayTek Vigor3900\u3001Vigor2960\u548cVigor300B\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\u6ce8\u5165\u6f0f\u6d1e\uff08CNVD-2020-51416\uff09"
}

CVE-2020-15415 (GCVE-0-2020-15415)

Vulnerability from cvelistv5 – Published: 2020-06-30 13:37 – Updated: 2025-10-21 23:35

Summary

On DrayTek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1, cgi-bin/mainfunction.cgi/cvmcfgupload allows remote command execution via shell metacharacters in a filename when the text/x-python-script content type is used, a different issue than CVE-2020-14472.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-10-04 13:26 UTC

CWE

n/a
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

mitre mitre root

References

3 references

URL	Tags
https://www.draytek.com/about/security-advisory	x_refsource_MISC
https://github.com/CLP-team/Vigor-Commond-Injection	x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

3 products

Vendor	Product	Version
draytek	vigor3900_firmware	Affected: 0 , < 1.5.1 (custom) cpe:2.3:o:draytek:vigor3900_firmware::::::::
draytek	vigor2960_firmware	Affected: 0 , < 1.5.1 (custom) cpe:2.3:o:draytek:vigor2960_firmware::::::::
draytek	vigor300b_firmware	Affected: 0 , < 1.5.1 (custom) cpe:2.3:o:draytek:vigor300b_firmware::::::::

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.