Summary

• On September 16, 2021, the Apache Software Foundation disclosed five vulnerabilities affecting the Apache HTTP Server (httpd) 2.4.48 and earlier releases.

  For a description of these vulnerabilities, see the Apache HTTP Server 2.4.49 section of the Apache HTTP Server 2.4 vulnerabilities webpage.

  This advisory will be updated as additional information becomes available.

  This advisory is available at the following link:
  https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ

Affected Products

• Cisco is investigating its product line to determine which products may be affected by these vulnerabilities. As the investigation progresses, Cisco will update this advisory with information about affected products.

  The Vulnerable Products section includes Cisco bug IDs for each product. The bugs will be accessible through the Cisco Bug Search Tool and will contain additional platform-specific information, including workarounds (if available) and fixed software releases.

  Products Under Investigation

  At this time, there are no products under active investigation. Cisco continues to monitor this situation and will update this document as information becomes available.

  Vulnerable Products

  The following table lists Cisco products that are affected by one or more of the vulnerabilities that are described in this advisory. If a future release date is indicated for software, the date provided represents an estimate based on all information known to Cisco as of the Last Updated date at the top of the advisory. Availability dates are subject to change based on a number of factors, including satisfactory testing results and delivery of other priority features and fixes. If no version or date is listed for an affected component (indicated by a blank field and/or an advisory designation of Interim), Cisco is continuing to evaluate the fix and will update the advisory as additional information becomes available. After the advisory is marked Final, customers should refer to the associated Cisco bug(s) for further details.

  Product	Cisco Bug ID	Fixed Release Availability
  Network Application, Service, and Acceleration
  Cisco Cloud Services Platform 2100	CSCwa33065	2.8.2 (Apr 2022)
  Cisco Wide Area Application Services (WAAS)	CSCwa33076	6.4.5d (Apr 2022)
  Network and Content Security Devices
  Cisco FXOS Software for Firepower 4100/9300 Series Appliances	CSCvz91266	2.9.1 (available) 2.10.1 (available) 2.11.1 (available) 2.12.1 (Apr 2022)
  Cisco Firepower Management Center1	CSCvz91270	7.0.2 (May 2022) 7.1.0.1 (May 2022)
  Cisco Firepower Next-Generation Intrusion Prevention System (NGIPS)1	CSCwa15291	6.4.0.14 (May 2022) 6.6.7 (Mar 2022)
  Cisco Firepower Threat Defense (FTD) managed by Cisco Firepower Management Center1	CSCwa15291	6.4.0.14 (May 2022) 6.6.7 (Mar 2022)
  Network Management and Provisioning
  Cisco Policy Suite1	CSCwa33078	22.1 (Mar 2022)
  Cisco Prime Collaboration Provisioning	CSCwa33069	None planned
  Cisco Prime Infrastructure	CSCvz83342	3.10 (available)
  Cisco Prime Optical for Service Providers	CSCwa33067	Contact Cisco TAC for upgrade options
  Cisco Security Manager	CSCwa33073	4.25 (Jun 2022)
  Routing and Switching - Enterprise and Service Provider
  Cisco Network Assurance Engine1	CSCwa16137	6.0.1 (available)
  Unified Computing
  Cisco UCS Central Software	CSCwa33066
  Cisco UCS Director Bare Metal Agent1	CSCwa33064	6.8.1.1 (Feb 2022)
  Cisco UCS Manager	CSCwa33718
  Video, Streaming, TelePresence, and Transcoding Devices
  Cisco Expressway Series	CSCwa01545	14.0.4 (available) 14.1 (future release)
  Cisco Meeting Server	CSCwa58708	3.5 (May 2022) 3.4 (Feb 2022) 3.3 (Mar 2022) 3.2 (Mar 2022)
  Cisco TelePresence Video Communication Server (VCS)	CSCwa01545	14.0.4 (available) 14.1 (future release)
  Wireless
  Cisco Wireless Gateway for LoRaWAN	CSCwa33724	2.3.1 (Mar 2022)
  Cisco Cloud Hosted Services
  Cisco Smart Net Total Care - On-Premises	CSCwa33060	2.2.1 (Mar 2022)

  1. This product is vulnerable to CVE-2021-40438.

  Products Confirmed Not Vulnerable

  Only products listed in the Vulnerable Products section of this advisory are known to be affected by these vulnerabilities.

  Cisco has confirmed that these vulnerabilities do not affect the following products:

  Network Application, Service, and Acceleration

  • Cisco Nexus 1000VE Series Virtual Switch

  Network and Content Security Devices

  • Cisco Secure Network Analytics, formerly Stealthwatch

  Network Management and Provisioning

  • Cisco Prime Collaboration Assurance
  • Cisco Prime Network Services Controller
  • Cisco Virtual Topology System

  Routing and Switching - Enterprise and Service Provider

  • Cisco DNA Center

  Unified Computing

  • Cisco Virtual Security Gateway

  Voice and Unified Communications Devices

  • Cisco Hosted Collaboration Mediation Fulfillment
  • Cisco SocialMiner
  • Cisco Unified Communications Domain Manager
  • Cisco Unified Communications Manager and Cisco Unified Communications Manager Session Management Edition
  • Cisco Unified Communications Manager IM & Presence Service
  • Cisco Unified Contact Center Express

  Video, Streaming, TelePresence, and Transcoding Devices

  • Cisco Video Surveillance Media Server

  Cisco Cloud Hosted Services

  • Cisco Smart Software Manager On-Prem

  
  

Workarounds

• Any workarounds will be documented in the product-specific Cisco bugs, which are identified in the Vulnerable Products section of this advisory.

Fixed Software

• For information about fixed software releases, consult the Cisco bugs identified in the Vulnerable Products section of this advisory.

  When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page, to determine exposure and a complete upgrade solution.

  In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.

  The Cisco Product Security Incident Response Team (PSIRT) validates only the fixed release information that is documented in this advisory.

Exploitation and Public Announcements

• In November 2021, the Cisco PSIRT became aware of exploitation attempts of the vulnerability identified by CVE ID CVE-2021-40438.

Source

• These vulnerabilities were publicly disclosed by the Apache Software Foundation on September 16, 2021.

URL

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ

Revision History

• Version	Description	Section	Status	Date
  1.8	Updated the summary. Updated the lists of products under investigation, vulnerable products, and products confirmed not vulnerable.	Summary, Affected Products, Vulnerable Products, Products Confirmed Not Vulnerable	Interim	2022-JAN-20
  1.7	Updated products under investigation, vulnerable products, and products confirmed not vulnerable. Corrected fixed release availability date for Cisco Security Manager.	Affected Products	Interim	2021-DEC-16
  1.6	Updated the lists of products under investigation, vulnerable products, and products confirmed not vulnerable.	Affected Products, Vulnerable Products, Products Confirmed Not Vulnerable	Interim	2021-DEC-08
  1.5	Updated the lists of products under investigation and vulnerable products.	Affected Products, Vulnerable Products	Interim	2021-DEC-03
  1.4	Updated the lists of products under investigation, vulnerable products, and products confirmed not vulnerable.	Affected Products, Vulnerable Products, Products Confirmed Not Vulnerable	Interim	2021-DEC-02
  1.3	Updated the lists of products under investigation, vulnerable products, and products confirmed not vulnerable.	Affected Products, Vulnerable Products, Products Confirmed Not Vulnerable	Interim	2021-DEC-01
  1.2	Added the list of products confirmed not vulnerable. Updated the lists of vulnerable products and products under investigation.	Affected Products, Vulnerable Products, Products Confirmed Not Vulnerable	Interim	2021-NOV-26
  1.1	Added the list of products under investigation. Updated the list of vulnerable products.	Affected Products and Vulnerable Products	Interim	2021-NOV-25
  1.0	Initial public release.	-	Interim	2021-NOV-24

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