CVE-2020-9611

Application denial-of-service via stack exhaustion

Published Jun 25, 2020 · Updated Aug 4, 2024

Stack exhaustion in Adobe Acrobat and Reader allows context-dependent attackers to interrupt the application via unspecified input. Adobe has not disclosed the affected parser, input format, or operation that recursively consumes the process stack. Affected releases are 2020.006.20042 and earlier, 2017.011.30166 and earlier, and 2015.006.30518 and earlier on Windows and macOS; exploitation requires user interaction and only interrupts availability.

CVSS severity5.5
Medium
EPSS probability1.91%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack exhaustion in Adobe Acrobat and Reader allows context-dependent attackers to interrupt the application via unspecified input. Adobe has not disclosed the affected parser, input format, or operation that recursively consumes the process stack. Affected releases are 2020.006.20042 and earlier, 2017.011.30166 and earlier, and 2015.006.30518 and earlier on Windows and macOS; exploitation requires user interaction and only interrupts availability.

The record

CVE
CVE-2020-9611
Published
Jun 25, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-400
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

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:N/A:P

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.

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No observations available

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

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption

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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