CVE-2021-3472
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I. Basic Information for CVE-2021-3472
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数下溢(超界折返)
Source: NVD (National Vulnerability Database)
Vulnerability Title
X.Org X Server 数字错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
X.Org X Server是X.Org（X.org）基金会的一款X Window系统显示服务器。 X.Org Server 存在数字错误漏洞，该漏洞允许本地用户升级系统上的特权。这是由于XChangeFeedbackControl()函数内的整数下溢。
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 |
|---|---|---|---|---|
| - | xorg-x11-server | xorg-x11-server 1.20.11 | - |
II. Public POCs for CVE-2021-3472
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.tenable.com/plugins/nessus/148701x_refsource_MISC
- https://seclists.org/oss-sec/2021/q2/20x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1944167x_refsource_MISC
- https://lists.x.org/archives/xorg-announce/2021-April/003080.htmlx_refsource_CONFIRM
- https://www.zerodayinitiative.com/advisories/ZDI-21-463/x_refsource_MISC
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEXPCLMVU25AUZTUXC4MYBGPKOAIM5TW/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MO6S5OPXUDYBSRSVWVLFLJ6AFERG4HNY/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N63KL3T22HNFT4FJ7VMVF6U5Q4RFJIQF/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDF7TAJE7NPZPNVOXSD5HBIFLNPUOD2V/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2021-3472
Same Patch Batch · n/a · 2021-04-26 · 20 CVEs total
| CVE-2021-23382 | 5.3 MEDIUM | Regular Expression Denial of Service (ReDoS) |
| CVE-2021-23365 | 4.8 MEDIUM | Authentication Bypass |
| CVE-2021-25838 | MintHCM 跨站脚本漏洞 | |
| CVE-2021-31804 | leocad 资源管理错误漏洞 | |
| CVE-2021-31803 | cPanel 跨站脚本漏洞 | |
| CVE-2021-25927 | safe-flat 安全漏洞 | |
| CVE-2021-25928 | safe-obj 安全漏洞 | |
| CVE-2021-26797 | Hame SD1 Wi-Fi 安全漏洞 | |
| CVE-2021-28079 | jamovi 跨站脚本漏洞 | |
| CVE-2021-31802 | NETGEAR R7000 缓冲区错误漏洞 | |
| CVE-2020-15078 | OpenVPN 访问控制错误漏洞 | |
| CVE-2021-22669 | Advantech WebAccess SCADA 安全漏洞 | |
| CVE-2021-25839 | MINTHCM 安全漏洞 | |
| CVE-2021-28399 | Orangehrm 安全漏洞 | |
| CVE-2021-3494 | Foreman 安全漏洞 | |
| CVE-2020-36325 | jansson 缓冲区错误漏洞 | |
| CVE-2021-31784 | Open Design Alliance Drawings SDK 缓冲区错误漏洞 | |
| CVE-2021-31783 | LocalFilesEditor 数据伪造问题漏洞 | |
| CVE-2021-31646 | Gestsup 安全漏洞 |
IV. Related Vulnerabilities
Same vendor: n/a
- CVE-2026-8276
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Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
Same weakness: CWE-191
- CVE-2026-7736
osrg GoBGP mrt.go parseRibEntry integer underflow - CVE-2026-33845
Gnutls: gnutls: denial of service via dtls zero-length fragm - CVE-2026-7424
Integer Underflow in DHCPv6 Sub-Option Parser in FreeRTOS-Pl - CVE-2026-7423
Integer Underflow in ICMP Echo Reply Processing in FreeRTOS- - CVE-2026-6914
MD5 checksum creation may cause availability loss
V. Comments for CVE-2021-3472
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