CISA has added four new vulnerabilities to its [Known Exploited Vulnerabilities Catalog](<https://www.cisa.gov/known-exploited-vulnerabilities-catalog >), based on evidence that threat actors are actively exploiting the vulnerabilities listed in the table below. These types of vulnerabilities are a frequent attack vector for malicious cyber actors of all types and pose significant risk to the federal enterprise.
CVE Number | CVE Title | Required Action Due Date |
---|---|---|
CVE-2006-1547 | Apache Struts 1 ActionForm Denial of Service Vulnerability | 07/21/2022 |
CVE-2012-0391 | Apache Struts 2 Improper Input Validation Vulnerability | 07/21/2022 |
CVE-2018-8453 | Microsoft Windows Win32k Privilege Escalation Vulnerability | 07/21/2022 |
CVE-2021-35247 | SolarWinds Serv-U Improper Input Validation Vulnerability | 02/04/2022 |
Binding Operational Directive (BOD) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the Known Exploited Vulnerabilities Catalog as a living list of known CVEs that carry significant risk to the federal enterprise. BOD 22-01 requires FCEB agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet for more information.
Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of [Catalog vulnerabilities](<https://www.cisa.gov/known-exploited-vulnerabilities-catalog >) as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the Catalog that meet the meet the [specified criteria](<https://www.cisa.gov/known-exploited-vulnerabilities >).
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