CVE-2019-17556 is a critical deserialization vulnerability affecting Apache Olingo versions 4.0.0 to 4.6.0. The vulnerability stems from the `AbstractService` class using `ObjectInputStream` without proper class validation during deserialization, allowing an attacker to potentially execute arbitrary code by supplying malicious metadata. With a CVSS score of 9.8, it is easily exploitable over the network with low complexity and no user interaction, leading to complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.0.0, <= 4.6.0CPE matchmatch criteria | cpe:2.3:a:apache:olingo:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.