CVE-2021-34798

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.
Overview
  • CVE ID
  • CVE-2021-34798
  • Assigner
  • security@apache.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-16T15:15:07
  • Last Modified Date
  • 2022-10-28T13:34:54
Weakness Enumerations
CWE URL
CWE-476 http://cwe.mitre.org/data/definitions/476.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* 1 OR 2.4.48
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:* 1 OR 5.19.1
cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:enterprise_manager_base_platform:13.5.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:ruggedcom_nms:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:* 1 OR 3.1
cpe:2.3:a:siemens:sinema_server:14.0:-:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
http://httpd.apache.org/security/vulnerabilities_24.html Release Notes Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf Patch Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10379 Third Party Advisory
https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E Mailing List Vendor Advisory
https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E Mailing List Vendor Advisory
https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E Mailing List Vendor Advisory
https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E Mailing List Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202208-20 Third Party Advisory
https://security.netapp.com/advisory/ntap-20211008-0004/ Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ Third Party Advisory
https://www.debian.org/security/2021/dsa-4982 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html Patch Third Party Advisory
https://www.tenable.com/security/tns-2021-17 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-34798
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34798
History
Created Old Value New Value Data Type Notes
2022-04-04 00:41:58 Added to TrackCVE
2022-12-05 10:45:48 2021-09-16T15:15Z 2021-09-16T15:15:07 CVE Published Date updated
2022-12-05 10:45:48 2022-10-28T13:34:54 CVE Modified Date updated
2022-12-05 10:45:48 Analyzed Vulnerability Status updated
2022-12-05 10:45:53 References updated