CVE-2021-26690 (CNNVD-202106-212)

HIGH
中文标题:
Apache HTTP Server 代码问题漏洞
英文标题:
mod_session NULL pointer dereference
CVSS分数: 7.5
发布时间: 2021-06-10 07:10:22
漏洞类型: 代码问题
状态: PUBLISHED
数据质量分数: 0.30
数据版本: v3
漏洞描述
中文描述:

Apache HTTP Server是美国阿帕奇（Apache）基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。 Apache HTTP Server 存在代码问题漏洞，该漏洞源于在mod会话中一个NULL指针解引用错误。远程攻击者可利用该漏洞将专门设计的数据传递给应用程序，并执行拒绝服务(DoS)攻击。以下产品及版本受到影响：EasyApache: 4 2017-5-16, 4 2017-6-13, 4 2017-6-21, 4 2017-7-11, 4 2017-7-18, 4 2017-8-8, 4 2017-8-17, 4 2017-9-6, 4 2017-9-20, 4 2017-10-3, 4 2017-10-12, 4 2017-10-16, 4 2017-10-31, 4 2017-11-7, 4 2017-11-29, 4 2017-12-5, 4 2017-12-21, 4 2018-1-9, 4 2018-1-18, 4 2018-1-25, 4 2018-2-6, 4 2018-3-6, 4 2018-3-21, 4 2018-4-3, 4 2018-5-1, 4 2018-5-22, 4 2018-5-29, 4 2018-6-19, 4 2018-6-27, 4 2018-7-18, 4 2018-7-25, 4 2018-8-14, 4 2018-8-22, 4 2018-8-29, 4 2018-9-19, 4 2018-10-10, 4 2018-10-17, 4 2018-10-31, 4 2018-11-7, 4 2018-11-14, 4 2018-12-5, 4 2018-12-11, 4 2019-1-9, 4 2019-1-16, 4 2019-1-30, 4 2019-2-6, 4 2019-2-13, 4 2019-2-20, 4 2019-3-7, 4 2019-3-13, 4 2019-4-3, 4 2019-4-9, 4 2019-4-24, 4 2019-5-8, 4 2019-5-15, 4 2019-5-29, 4 2019-6-5, 4 2019-7-3, 4 2019-7-10, 4 2019-7-24, 4 2019-8-7, 4 2019-8-21, 4 2019-9-4, 4 2019-9-17, 4 2019-10-2, 4 2019-10-9, 4 2019-10-23, 4 2019-10-30, 4 2019-11-20, 4 2019-11-26, 4 2019-12-18, 4 2019-12-23, 4 2020-1-22, 4 2020-1-29, 4 2020-2-26, 4 2020-3-18, 4 2020-3-25, 4 2020-4-1, 4 2020-4-2, 4 2020-4-8, 4 2020-4-15, 4 2020-4-22, 4 2020-5-6, 4 2020-5-21, 4 2020-6-17, 4 2020-7-1, 4 2020-7-8, 4 2020-7-15, 4 2020-7-29, 4 2020-8-5, 4 2020-8-12, 4 2020-8-26, 4 2020-9-9, 4 2020-9-23, 4 2020-9-30, 4 2020-10-7, 4 2020-10-14, 4 2020-10-28, 4 2020-11-4, 4 2020-11-11, 4 2020-12-2, 4 2020-12-9, 4 2020-12-23, 4 2021-1-13, 4 2021-2-4, 4 2021-2-10, 4 2021-2-24, 4 2021-3-3, 4 2021-3-10, 4 2021-3-24, 4 2021-3-31, 4 2021-4-14, 4 2021-4-21, 4 2021-4-28, 4 2021-5-5, 4 2021-5-12, 4 2021-5-19, 4 20201-1-13, 4 20201-3-3。

英文描述:

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service

CWE类型:
CWE-476
标签:
（暂无数据）
受影响产品
厂商 产品 版本 版本范围 平台 CPE
Apache Software Foundation Apache HTTP Server 2.4.46 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.46:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.43 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.43:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.41 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.41:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.39 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.39:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.38 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.38:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.37 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.37:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.35 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.35:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.34 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.34:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.33 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.33:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.29 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.29:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.28 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.28:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.27 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.27:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.26 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.26:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.25 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.25:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.23 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.23:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.20 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.20:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.18 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.18:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.17 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.17:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.16 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.16:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.12 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.12:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.10 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.10:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.9 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.9:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.7 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.7:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.6 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.6:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.4 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.4:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.3 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.3:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.2 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.2:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.1 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.1:*:*:*:*:*:*:*
Apache Software Foundation Apache HTTP Server 2.4.0 - - cpe:2.3:a:apache_software_foundation:apache_http_server:2.4.0:*:*:*:*:*:*:*
apache http_server * - - cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
debian debian_linux 9.0 - - cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
debian debian_linux 10.0 - - cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
fedoraproject fedora 34 - - cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
fedoraproject fedora 35 - - cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
oracle enterprise_manager_ops_center 12.4.0.0 - - cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*
oracle instantis_enterprisetrack 17.1 - - cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*
oracle instantis_enterprisetrack 17.2 - - cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*
oracle instantis_enterprisetrack 17.3 - - cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*
oracle zfs_storage_appliance_kit 8.8 - - cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
解决方案
中文解决方案:
（暂无数据）
英文解决方案:
（暂无数据）
临时解决方案:
（暂无数据）
参考链接
无标题 x_refsource_MISC
cve.org
访问
无标题 x_refsource_MISC
cve.org
访问
[httpd-announce] 20210609 CVE-2021-26690: mod_session NULL pointer dereference mailing-list
cve.org
访问
[httpd-dev] 20210610 Re: svn commit: r1890598 - in /httpd/site/trunk/content/security/json: CVE-2019-17567.json CVE-2020-13938.json CVE-2020-13950.json CVE-2020-35452.json CVE-2021-26690.json CVE-2021-26691.json CVE-2021-30641.json CVE-2021-31618.json mailing-list
cve.org
访问
[oss-security] 20210609 CVE-2021-26690: Apache httpd: mod_session NULL pointer dereference mailing-list
cve.org
访问
[debian-lts-announce] 20210709 [SECURITY] [DLA 2706-1] apache2 security update mailing-list
cve.org
访问
DSA-4937 vendor-advisory
cve.org
访问
GLSA-202107-38 vendor-advisory
cve.org
访问
FEDORA-2021-dce7e7738e vendor-advisory
cve.org
访问
FEDORA-2021-e3f6dd670d vendor-advisory
cve.org
访问
无标题 x_refsource_MISC
cve.org
访问
无标题 x_refsource_CONFIRM
cve.org
访问
CVSS评分详情
7.5
HIGH
CVSS向量: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS版本: 3.1
机密性
NONE
完整性
NONE
可用性
HIGH
时间信息
发布时间:
2021-06-10 07:10:22
修改时间:
2024-08-03 20:33:40
创建时间:
2025-11-11 15:36:45
更新时间:
2025-11-11 15:56:47
利用信息
暂无可利用代码信息
数据源详情
数据源 记录ID 版本 提取时间
CVE cve_CVE-2021-26690 2025-11-11 15:20:53 2025-11-11 07:36:45
NVD nvd_CVE-2021-26690 2025-11-11 14:57:38 2025-11-11 07:45:04
CNNVD cnnvd_CNNVD-202106-212 2025-11-11 15:10:39 2025-11-11 07:56:47
版本与语言
当前版本: v3
主要语言: EN
支持语言:
EN ZH
安全公告
暂无安全公告信息
变更历史
v3 CNNVD
2025-11-11 15:56:47
vulnerability_type: 未提取 → 代码问题; cnnvd_id: 未提取 → CNNVD-202106-212; data_sources: ['cve', 'nvd'] → ['cnnvd', 'cve', 'nvd']
查看详细变更
  • vulnerability_type: 未提取 -> 代码问题
  • cnnvd_id: 未提取 -> CNNVD-202106-212
  • data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
v2 NVD
2025-11-11 15:45:04
severity: SeverityLevel.MEDIUM → SeverityLevel.HIGH; cvss_score: 未提取 → 7.5; cvss_vector: NOT_EXTRACTED → CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H; cvss_version: NOT_EXTRACTED → 3.1; affected_products_count: 29 → 39; data_sources: ['cve'] → ['cve', 'nvd']
查看详细变更
  • severity: SeverityLevel.MEDIUM -> SeverityLevel.HIGH
  • cvss_score: 未提取 -> 7.5
  • cvss_vector: NOT_EXTRACTED -> CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • cvss_version: NOT_EXTRACTED -> 3.1
  • affected_products_count: 29 -> 39
  • data_sources: ['cve'] -> ['cve', 'nvd']