CVE-2021-44739
Last modified
CVE-2021-44739 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Acrobat Reader DC ActiveX Control versions 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by an Information Disclosure vulnerability. An unauthenticated attacker could leverage this vulnerability to obtain NTLMv2 credentials. EPSS estimates a 2.07% chance of exploitation in the next 30 days.
Description
Acrobat Reader DC ActiveX Control versions 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (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 open a maliciously crafted Microsoft Office file, or visit an attacker controlled web page.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Acrobat Dc | >= 21.001.20149, <= 21.007.20099 |
| Adobe | Acrobat Reader Dc | >= 21.001.20149, <= 21.007.20099 |
| Adobe | Acrobat | >= 20.001.30005, <= 20.004.30017 |
| Adobe | Acrobat Reader | >= 20.001.30005, <= 20.004.30017 |
| Adobe | Acrobat | >= 17.011.30180, <= 17.011.30204 |
| Adobe | Acrobat Reader | >= 17.011.30180, <= 17.011.30204 |
References
- https://helpx.adobe.com/security/products/acrobat/apsb22-01.htmlPatch, Vendor Advisory
- https://helpx.adobe.com/security/products/acrobat/apsb22-01.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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