CVE-2021-25329

HIGHCVSS 7/10EPSS 9.49%

Last modified

CVE-2021-25329 is a high-severity vulnerability rated 7/10 on the CVSS scale. The fix for CVE-2020-9484 was incomplete. When using Apache Tomcat 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61 or 7.0.0. EPSS estimates a 9.49% chance of exploitation in the next 30 days.

Description

The fix for CVE-2020-9484 was incomplete. When using Apache Tomcat 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61 or 7.0.0. to 7.0.107 with a configuration edge case that was highly unlikely to be used, the Tomcat instance was still vulnerable to CVE-2020-9494. Note that both the previously published prerequisites for CVE-2020-9484 and the previously published mitigations for CVE-2020-9484 also apply to this issue.

Metrics

CVSS 3.1
7/10

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
9.49%

94.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
ApacheTomcat>= 7.0.0, <= 7.0.107
ApacheTomcat>= 8.5.0, <= 8.5.61
ApacheTomcat>= 9.0.0, <= 9.0.41
ApacheTomcat9.0.0Milestone1
ApacheTomcat10.0.0
DebianDebian Linux9.0
DebianDebian Linux10.0
OracleAgile Plm9.3.3
OracleAgile Plm9.3.6
OracleCommunications Cloud Native Core Policy1.14.0
OracleCommunications Cloud Native Core Security Edge Protection Proxy1.6.0
OracleCommunications Instant Messaging Server10.0.1.5.0
OracleDatabase12.2.0.1
OracleDatabase19c
OracleDatabase21c
OracleGraph Server And Client< 21.3.0
OracleInstantis Enterprisetrack17.1
OracleInstantis Enterprisetrack17.2
OracleInstantis Enterprisetrack17.3
OracleManaged File Transfer12.2.1.3.0
OracleManaged File Transfer12.2.1.4.0
OracleMysql Enterprise Monitor<= 8.0.23
OracleSiebel Ui Framework< 21.9
OracleSiebel Ui Framework21.9

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-25329?
The fix for CVE-2020-9484 was incomplete. When using Apache Tomcat 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61 or 7.0.0. to 7.0.107 with a configuration edge case that was highly unlikely to be used, the Tomcat instance was still vulnerable to CVE-2020-9494. Note that both the previously published prerequisites for CVE-2020-9484 and the previously published mitigations for CVE-2020-9484 also apply to this issue.
How severe is CVE-2021-25329?
CVE-2021-25329 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 9.49% probability of exploitation in the next 30 days.
How do I fix CVE-2021-25329?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-25329?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST