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CVE-2017-3207

27
FAUCET Score

CVE-2017-3207 is a critical deserialization vulnerability affecting WebORB for Java by Midnight Coders, version 5.1.1.0. The flaw stems from incorrect implementation of AMF3 deserializers, allowing a remote attacker to execute arbitrary code by sending specially crafted serialized Java objects when spoofing or controlling an RMI server connection. With a CVSS score of 9.8 (CRITICAL), this vulnerability poses a severe risk of complete compromise (Confidentiality, Integrity, Availability). Despite its high severity, there is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.1.1.0CPE matchmatch criteria
cpe:2.3:a:themidnightcoders:weborb_for_java:5.1.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
8.21%
Probability of exploitation in next 30 days
EPSS Percentile
94.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0821 is in the 90th percentile among its peer group of 36,829 CVEs.

Social Chatter

No social media mentions found for this CVE.

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.

Media 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.

Remediation

Remediation records are not available for this CVE.

References

codewhitesec.blogspot.com / 2017/04/amf.html
ExploitThird Party Advisory
kb.cert.org / vuls/id/307983
Third Party AdvisoryUS Government Resource
securityfocus.com / bid/97384
Third Party AdvisoryVDB Entry
securityweek.com / flaws-java-amf-libraries-allow-remote-code-execution
Third Party Advisory