CVE-2021-28559 json
Adobe Acrobat Reader privacy violation vulnerability could lead to privilege escalation
published 2021-09-02 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15234
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by an Information Exposure vulnerability. An unauthenticated attacker could leverage this vulnerability to get access to restricted data stored within global variables and objects.
Exploit prediction
1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Adobe Acrobat Reader
Classification
- Weakness
-
- CWE-359 Exposure of Private Personal Information to an Unauthorized Actor
References
-
helpx.adobe.com
/security/products/acrobat/apsb21-29.html
release-notes, vendor-advisory
Sources
- CVE List CVE-2021-28559
- NVD CVE-2021-28559
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