CVE-2021-21045 | BDVDB-2026-149072 Detail

AdobeAcrobat Reader

Description#

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an improper access control vulnerability. An unauthenticated attacker could leverage this vulnerability to elevate privileges in the context of the current user.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-284 Improper Access Control

References#

https://helpx.adobe.com/security/products/acrobat/apsb21-09.html

Exploit#

No public exploit known

History#

Version 12021-02-11Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2021-02-11
Last modified: 2024-09-16

Vendor information

Vendor: Adobe
Product: Acrobat Reader

All Adobe vulnerabilities

Score

8.2 High

EPSS

1.7%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 78.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Access Control

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 2020.013.20074
Fixed
Not stated
Vulnerable
<= 2020.001.30018
Fixed
Not stated
Vulnerable
<= 2017.011.30188
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.2 High

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	Required
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).