CVE-2021-39856
Medium
Description
Acrobat Reader DC ActiveX Control versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an Information Disclosure vulnerability. An unauthenticated attacker could leverage this vulnerability to obtain NTLMv2 credentials. Exploitation of this issue requires user interaction in that a victim must visit an attacker controlled web page.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Adobe Acrobat
PublishedSep 29, 2021
First seenSep 29, 2021
Weakness typeCWE-200Sensitive information exposure
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| adobe acrobat | 17.011.30059 ≤ v ≤ 17.011.30199, 20.001.30005 ≤ v ≤ 20.004.30006 | — |
| adobe acrobat_reader | 17.011.30059 ≤ v ≤ 17.011.30199, 20.001.30005 ≤ v ≤ 20.004.30006 | — |
| adobe acrobat_dc | 15.008.20082 ≤ v ≤ 21.005.20058, 15.008.20082 ≤ v ≤ 21.005.20060 | — |
| adobe acrobat_reader_dc | 15.008.20082 ≤ v ≤ 21.005.20058, 15.008.20082 ≤ v ≤ 21.005.20060 | — |
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