CVE-2020-3759Network attack vector

Information disclosure via undisclosed buffer error

Published Feb 13, 2020 · Updated Aug 4, 2024

Buffer error in Adobe Digital Editions 4.5.10 and earlier allows remote attackers to disclose information through network input. Adobe has not disclosed the affected parser, buffer operation, or the format of the input that reaches it. Exploitation requires a Windows installation and exposes information in the current user's context, with no reported integrity or availability impact.

CVSS severity7.5
High
EPSS probability4.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer error in Adobe Digital Editions 4.5.10 and earlier allows remote attackers to disclose information through network input. Adobe has not disclosed the affected parser, buffer operation, or the format of the input that reaches it. Exploitation requires a Windows installation and exposes information in the current user's context, with no reported integrity or availability impact.

The record

CVE
CVE-2020-3759
Published
Feb 13, 2020
Updated
Aug 4, 2024
Vendor
Adobe
Product
Adobe Digital Editions
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 13, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.5.10 and below versions

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Adobe · Adobe Digital Editionsversion=4.5.10 and below versions

Published CVSS scores

5.0NIST NVDAV:N/AC:L/Au:N/C:P/I:N/A:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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