CVE Tools
Sign in

CVE-2021-43980

Apache Tomcat: Information disclosure

Published: Sep 28, 2022Updated: May 21, 2025 Sources: CVE List NVD GHSACWE-362
NVD MITRE
3.7CVSSLOW
EPSS Score
1.7%
Top 25.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Apache Tomcat Race Condition vulnerability

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-362

Affected Products

org.apache.tomcat:tomcatMavenOSS Libraries
tomcatapache
On-premWeb App
Networking Infrastructure / load-balancer-proxy
debian linuxdebian
On-premOS
Operating Systems / linux-distro
Apache TomcatApache Software Foundation
On-premWeb App
Networking Infrastructure / load-balancer-proxy
mavenpackage-ecosystemOSS Libraries
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
debianoss-projectGBOperating Systemsaka debian gnu/linux
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2021-43980
nvd.nist.gov
https://github.com/apache/tomcat/commit/170e0f792bd18ff031677890ba2fe50eb7a376c1
github.com
https://github.com/apache/tomcat/commit/17f177eeb7df5938f67ef9ea580411b120195f13
github.com
and 10 more references View all →

Timeline

Published
Sep 28, 2022
Last Updated
May 21, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-43980 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows