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CVE-2020-9666

21
FAUCET Score

CVE-2020-9666 is an out-of-bounds read vulnerability affecting Adobe Campaign Classic versions prior to 20.2, impacting both Windows and Linux environments. This medium-severity vulnerability (CVSS 5.5) requires user interaction (UI:R) and local access (AV:L) for successful exploitation, which could lead to information disclosure (C:H). While not currently listed in CISA's KEV catalog and lacking public exploit code in Metasploit, Nuclei, or ExploitDB, it has garnered some community discussion and media coverage, indicating a degree of awareness despite its inactive hotlist status.

Impacted Technologies

VendorProductVersion(s)CPE
<= 20.1CPE matchmatch criteria
cpe:2.3:a:adobe:campaign_classic:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.41%
Probability of exploitation in next 30 days
EPSS Percentile
82.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0241 is in the 92nd percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

adobevendor investigatingvia nvd_reference
View patch

References

helpx.adobe.com / security/products/campaign/apsb20-34.html
Vendor Advisory