Acrobat Reader DC versions 2020.013.20066 (and earlier), 2020.001.30010 (and earlier) and 2017.011.30180 (and earlier) are affected by an information exposure vulnerability, that could enable an attacker to get a DNS interaction and track if the user has opened or closed a PDF file when loaded from the filesystem without a prompt. User interaction is required to exploit this vulnerability.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionActive
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityLow
AvailabilityNone
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 2.1 → 5.1 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 2.1 |
Affected Software
| Vendor | Product | Version |
|---|
| adobe | acrobat | ≥ 17.011.30059, ≤ 17.011.30180 |
| adobe | acrobat | ≥ 20.001.30005, ≤ 20.001.30010 |
| Adobe | Acrobat Reader DC | ≤ 2020.013.20066 |
| Adobe | Acrobat Reader DC | ≤ 2020.001.30010 |
| Adobe | Acrobat Reader DC | ≤ 2017.011.30180 |
| adobe | acrobat_dc | ≥ 15.008.20082, ≤ 20.013.20066 |
| adobe | acrobat_reader | ≥ 17.011.30059, ≤ 17.011.30180 |
| adobe | acrobat_reader | ≥ 20.001.30005, ≤ 20.001.30010 |
| adobe | acrobat_reader_dc | ≥ 15.008.20082, ≤ 20.013.20066 |
Published: 2021-02-23
