HIGH · 7.5

CVE-2021-20354

IBM WebSphere Application Server 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) t...

Vulnerability Description

IBM WebSphere Application Server 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 194883.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
IbmWebsphere Application Server>= 8.0.0.0, <= 8.0.0.15
HpHp-Ux-
IbmAix-
IbmI-
IbmZ\/Os-
LinuxLinux Kernel-
MicrosoftWindows-
OracleSolaris-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-20354?

CVE-2021-20354 is a vulnerability with a CVSS score of 7.5 (HIGH). IBM WebSphere Application Server 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) t...

How severe is CVE-2021-20354?

CVE-2021-20354 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20354?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Websphere Application Server, Hp Hp-Ux, Ibm Aix, Ibm I, Ibm Z\/Os.