HPE HP-UX Web Server Suite Software update for HP-UX PHP



| Updated: 2025-04-15
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-21702
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 HP-UX PHP
Operating systems & Components / Operating system package or component

Vendor HPE

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU50403

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21702

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the SoapClient in PHP. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

HP-UX PHP: before 7.4.7.2

CPE2.3 External links

https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbux04198en_us


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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