CVE-2020-9598

Information disclosure via invalid memory access

Published Jun 25, 2020 · Updated Aug 4, 2024

Invalid memory access in Adobe Acrobat and Reader allows attackers to disclose sensitive information via unspecified vectors. Adobe identifies the defect only as invalid memory access and has not published the affected parser, function, or erroneous operation on untrusted input. The published scoring requires user interaction and no privileges; exposure is limited to information disclosure, with no reported data modification or service interruption.

CVSS severity5.5
Medium
EPSS probability2.81%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Invalid memory access in Adobe Acrobat and Reader allows attackers to disclose sensitive information via unspecified vectors. Adobe identifies the defect only as invalid memory access and has not published the affected parser, function, or erroneous operation on untrusted input. The published scoring requires user interaction and no privileges; exposure is limited to information disclosure, with no reported data modification or service interruption.

The record

CVE
CVE-2020-9598
Published
Jun 25, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-119
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 25, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.3NIST NVDAV:N/AC:M/Au:N/C:P/I:N/A:N
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer

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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