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CVE-2019-5434

An attacker could send a specifically crafted payload to the XML-RPC invocation script and trigger the unserialize() call on the "what" parameter...

Basic Information

CVE State
PUBLISHED
Reserved Date
January 04, 2019
Published Date
May 06, 2019
Last Updated
August 04, 2024
Vendor
n/a
Product
Revive Adserver
Description
An attacker could send a specifically crafted payload to the XML-RPC invocation script and trigger the unserialize() call on the "what" parameter in the "openads.spc" RPC method. Such vulnerability could be used to perform various types of attacks, e.g. exploit serialize-related PHP vulnerabilities or PHP object injection. It is possible, although unconfirmed, that the vulnerability has been used by some attackers in order to gain access to some Revive Adserver instances and deliver malware through them to third party websites. This vulnerability was addressed in version 4.2.0.
Tags
nuclei_scanner

CVSS Scores

CVSS v3.0

9.8 - CRITICAL

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploit Status

Exploited in the Wild
Yes (2026-03-28 00:00:00 UTC) Source

References

https://hackerone.com/reports/512076 https://hackerone.com/reports/542670 https://www.revive-adserver.com/security/revive-sa-2019-001/ http://packetstormsecurity.com/files/155559/Revive-Adserver-4.2-Remote-Code-Execution.html

Known Exploited Vulnerability Information

Source Added Date
The Shadowserver (via CIRCL) 2026-03-28 00:00:00 UTC

Scanner Integrations

Scanner URL Date Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-5434.yaml 2025-04-25 00:00:00 UTC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Detected by Nuclei

  • Added to KEVIntel