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Servers and applications

CVE-2008-3271

Apache Tomcat 5.5.0 and 4.1.0 through 4.1.31 allows remote attackers to bypass an IP address restriction and obtain sensitive information via a request that is processed concurrently with another request but in a different thread, leading to an instance-variable overwrite associated with a "synchronization problem" and lack of thread safety, and related to RemoteFilterValve, RemoteAddrValve, and…

Severity
Medium 4.3
Published
13 Oct 2008
Last changed
16 Jun 2026
Added to UpHeron
21 Oct 2026
Exploit chance
4.8% in the next 30 daysHigher than 92% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-264
Attack
Over the network · No login needed
Attacker can
Read some data
CVSS vector
AV:N/AC:M/Au:N/C:P/I:N/A:N
Sources
NVD

Description

Apache Tomcat 5.5.0 and 4.1.0 through 4.1.31 allows remote attackers to bypass an IP address restriction and obtain sensitive information via a request that is processed concurrently with another request but in a different thread, leading to an instance-variable overwrite associated with a "synchronization problem" and lack of thread safety, and related to RemoteFilterValve, RemoteAddrValve, and RemoteHostValve.

From NVD.

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • Version 5.5.0
  • Version 4.1.31
  • Version 4.1.30
  • Version 4.1.29
All 34 release lines
  • Version 4.1.0
  • Version 4.1.1
  • Version 4.1.2
  • Version 4.1.3-beta
  • Version 4.1.3
  • Version 4.1.4
  • Version 4.1.5
  • Version 4.1.6
  • Version 4.1.7
  • Version 4.1.8
  • Version 4.1.9
  • Version 4.1.10
  • Version 4.1.11
  • Version 4.1.12
  • Version 4.1.13
  • Version 4.1.14
  • Version 4.1.15
  • Version 4.1.16
  • Version 4.1.17
  • Version 4.1.18
  • Version 4.1.19
  • Version 4.1.20
  • Version 4.1.21
  • Version 4.1.22
  • Version 4.1.23
  • Version 4.1.24
  • Version 4.1.25
  • Version 4.1.26
  • Version 4.1.27
  • Version 4.1.28
  • Version 4.1.29
  • Version 4.1.30
  • Version 4.1.31
  • Version 5.5.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2008-3271
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2008-3271