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CVE-2021-22873

Quick assessment

Affected
n/a https://github.com/revive-adserver/revive-adserver
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Revive Adserver是Revive Adserver团队的一套开源的广告管理系统。该系统提供广告投放、广告位管理、数据统计等功能。 Revive Adserver 5.1.0 之前版本存在输入验证错误漏洞，该漏洞源于第三方点击跟踪的重定向不可选择。

AI Predicted 4.3 Difficulty: Trivial EPSS 69.56% · P99

Public Exploits 1

Nuclei · 1 CVE-2021-22873.yaml [template]

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-22873

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Revive Adserver before 5.1.0 is vulnerable to open redirects via the `dest`, `oadest`, and/or `ct0` parameters of the lg.php and ck.php delivery scripts. Such open redirects had previously been available by design to allow third party ad servers to track such metrics when delivering ads. However, third party click tracking via redirects is not a viable option anymore, leading to such open redirect functionality being removed and reclassified as a vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
Revive Adserver 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Revive Adserver是Revive Adserver团队的一套开源的广告管理系统。该系统提供广告投放、广告位管理、数据统计等功能。 Revive Adserver 5.1.0 之前版本存在输入验证错误漏洞，该漏洞源于第三方点击跟踪的重定向不可选择。
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
- https://github.com/revive-adserver/revive-adserver Fixed in 5.1.0 -

II. Public POCs for CVE-2021-22873

# POC Description Source Link Shenlong Link
1 A PoC exploit for CVE-2021-22873 - Revive Adserver Open Redirect Vulnerability. https://github.com/K3ysTr0K3R/CVE-2021-22873-EXPLOIT POC Details
2 Revive Adserver before 5.1.0 contains an open redirect vulnerability via the dest, oadest, and ct0 parameters of the lg.php and ck.php delivery scripts. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-22873.yaml POC Details
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III. Intelligence Information for CVE-2021-22873

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Exploits & Public PoCs for CVE-2021-22873 (1)

Mailing List Discussions for CVE-2021-22873 (1)

Other References for CVE-2021-22873 (3)

Same Patch Batch · n/a · 2021-01-21 · 23 CVEs total

CVE-2021-21723 多款 ZTE 产品资源管理错误漏洞
CVE-2020-36200 Kaspersky TinyCheck 代码问题漏洞
CVE-2020-36199 Kaspersky TinyCheck 命令注入漏洞
CVE-2020-21147 RockOA 跨站脚本漏洞
CVE-2020-21146 Fehi CMS 跨站脚本漏洞
CVE-2020-36201 多款 Xerox 产品加密问题漏洞
CVE-2019-25015 OpenWrt 跨站脚本漏洞
CVE-2021-22871 Revive Adserver 跨站脚本漏洞
CVE-2021-22872 Revive Adserver 跨站脚本漏洞
CVE-2020-8292 Rocket.Chat 跨站脚本漏洞
CVE-2020-8288 Rocket.Chat server 跨站脚本漏洞
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CVE-2020-22643 FeehiCMS 代码问题漏洞
CVE-2021-3152 Home Assistant 路径遍历漏洞
CVE-2020-28874 ProjectSend 安全漏洞
CVE-2020-35309 Egavilan Media Bakeshop Online Ordering System 跨站脚本漏洞
CVE-2020-29241 Online News Portal 跨站脚本漏洞
CVE-2020-26941 ESET NOD32 Antivirus 访问控制错误漏洞
CVE-2021-3195 Bitcoin Core 输入验证错误漏洞
CVE-2021-3190 Omrilotan async-git 操作系统命令注入漏洞

Showing top 20 of 23 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: https://github.com/revive-adserver/revive-adserver
Same vendor: n/a
Same weakness: CWE-601

V. Comments for CVE-2021-22873

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