PatchSiren cyber security CVE debrief
CVE-2020-1938 Apache CVE debrief
CVE-2020-1938 is an Apache Tomcat vulnerability described as an improper privilege management issue and listed by CISA in the Known Exploited Vulnerabilities catalog. Because CISA has added it to KEV, defenders should treat it as a high-priority remediation item and apply vendor-directed updates without delay.
- Vendor
- Apache
- Product
- Tomcat
- CVSS
- Unknown
- CISA KEV
- Listed
- Original CVE published
- 2022-03-03
- Original CVE updated
- 2022-03-03
- Advisory published
- 2022-03-03
- Advisory updated
- 2022-03-03
Who should care
Organizations that run Apache Tomcat in any production, internet-facing, or privileged internal role should care most, especially teams responsible for server administration, patching, and exposure management.
Technical summary
The available source material identifies the issue as an improper privilege management vulnerability in Apache Tomcat. CISA's KEV listing means the vulnerability is considered known to be exploited, so systems running the affected Tomcat software should be reviewed promptly and updated according to vendor instructions.
Defensive priority
High. CISA added this CVE to KEV on 2022-03-03 and set a remediation due date of 2022-03-17, which indicates urgent patching expectations for affected environments.
Recommended defensive actions
- Apply Apache's vendor-provided updates and remediation guidance as soon as possible.
- Inventory all systems running Apache Tomcat to determine exposure.
- Prioritize internet-facing and mission-critical Tomcat instances for immediate review.
- Confirm patch status across development, staging, and production environments.
- Monitor CISA KEV and vendor advisories for any follow-up guidance.
Evidence notes
This debrief is based only on the supplied CISA KEV source item and official resource links. The source identifies the product as Apache Tomcat, the issue as an improper privilege management vulnerability, and the record as a KEV entry with dateAdded 2022-03-03 and dueDate 2022-03-17. No additional impact details were asserted beyond the provided corpus.
Official resources
-
CVE-2020-1938 CVE record
CVE.org
-
CVE-2020-1938 NVD detail
NVD
-
CISA Known Exploited Vulnerabilities catalog
CISA - Apply updates per vendor instructions.
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Source item URL
cisa_kev
Public advisory context only; no exploit details or weaponized reproduction included.