CVE-2019-1842— Cisco IOS XR 授权问题漏洞
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I. CVE-2019-1842の基本情報
脆弱性情報
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脆弱性タイトル
Cisco IOS XR Software Secure Shell Authentication Vulnerability
ソース: NVD (National Vulnerability Database)
脆弱性説明
A vulnerability in the Secure Shell (SSH) authentication function of Cisco IOS XR Software could allow an authenticated, remote attacker to successfully log in to an affected device using two distinct usernames. The vulnerability is due to a logic error that may occur when certain sequences of actions are processed during an SSH login event on the affected device. An attacker could exploit this vulnerability by initiating an SSH session to the device with a specific sequence that presents the two usernames. A successful exploit could result in logging data misrepresentation, user enumeration, or, in certain circumstances, a command authorization bypass. See the Details section for more information.
ソース: NVD (National Vulnerability Database)
CVSS情報
N/A
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
授权机制不恰当
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Cisco IOS XR 授权问题漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Cisco IOS XR是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS XR中的Secure Shell (SSH)身份验证功能存在授权问题漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)
影響を受ける製品
| ベンダー | プロダクト | 影響を受けるバージョン | CPE | 購読 |
|---|---|---|---|---|
| Cisco | Cisco IOS XR Software | unspecified ~ 6.1.4 | - |
II. CVE-2019-1842の公開POC
| # | POC説明 | ソースリンク | Shenlongリンク |
|---|
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公開POCは見つかりませんでした。
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190605-iosxr-sshvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2019-1842
Same Patch Batch · Cisco · 2019-06-05 · 9 CVEs total
| CVE-2019-1881 | Cisco Industrial Network Director Cross-Site Request Forgery Vulnerability | |
| CVE-2019-1882 | Cisco Industrial Network Director Stored Cross-Site Scripting Vulnerability | |
| CVE-2019-1870 | Cisco Enterprise Chat and Email Cross-Site Scripting Vulnerability | |
| CVE-2019-1872 | Cisco TelePresence Video Communication Server and Cisco Expressway Series Server-Side Requ | |
| CVE-2019-1880 | Cisco Unified Computing System BIOS Signature Bypass Vulnerability | |
| CVE-2019-1845 | Cisco Unified Communications Manager IM&P Service, Cisco TelePresence VCS, and Cisco Expre | |
| CVE-2019-1861 | Cisco Industrial Network Director Remote Code Execution Vulnerability | |
| CVE-2019-1868 | Cisco Webex Meetings Server Information Disclosure Vulnerability |
IV. 関連脆弱性
同じ製品: Cisco IOS XR Software
- CVE-2026-20118
Cisco IOS-XR NCS 5500 and NCS 5700 Egress Packet Network Int - CVE-2026-20046
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Cisco IOS XR Software Multi-Instance Intermediate System-to- - CVE-2026-20040
Cisco IOS XR Software CLI Privilege Escalation Vulnerability - CVE-2025-20340
Cisco IOS XR Address Resolution Protocol Broadcast Storm Vul
同じベンダー: Cisco
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Cisco Unity Connection Remote Code Execution Vulnerability - CVE-2026-20035
Cisco Unity Connection Server-Side Request Forgery Vulnerabi - CVE-2026-20167
Cisco IoT Field Network Director Remote Device Denial of Ser - CVE-2026-20169
Cisco IoT Field Network Director Command Injection Vulnerabi
同じ弱点: CWE-285
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Industrial Application Software IAS Canias ERP RMI iasGetSer - CVE-2026-42202
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Note Mark: Unauthenticated read of notes and assets in soft- - CVE-2026-7713
crocodilestick Calibre-Web-Automated Kobo auth-token Route k
V. CVE-2019-1842へのコメント
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