CVE-2021-44739: Adobe Acrobat Reader DC add-on (AxAcroPDFLib.AxAcroPDF) src NTLMv2 SSO Auth leak vulnerability
First published: Fri Jan 14 2022(Updated: )
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.
Credit: psirt@adobe.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Adobe Acrobat | >=21.001.20149<=21.007.20099 | |
| Adobe Acrobat Reader | >=21.001.20149<=21.007.20099 | |
| Microsoft Windows | ||
| Apple iOS and macOS | ||
| Adobe Acrobat Reader | >=20.001.30005<=20.004.30017 | |
| Adobe Acrobat Reader | >=20.001.30005<=20.004.30017 | |
| Adobe Acrobat Reader | >=17.011.30180<=17.011.30204 | |
| Adobe Acrobat Reader | >=17.011.30180<=17.011.30204 |
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Frequently Asked Questions
What is the severity of CVE-2021-44739?
CVE-2021-44739 is classified as an Information Disclosure vulnerability that can lead to the exposure of NTLMv2 credentials.
How do I fix CVE-2021-44739?
To mitigate CVE-2021-44739, users should update Adobe Acrobat Reader DC to the latest version beyond 21.007.20099.
Which versions of Adobe software are affected by CVE-2021-44739?
Affected versions include Adobe Acrobat Reader DC versions up to 21.007.20099, Acrobat versions up to 20.004.30017, and Acrobat Reader versions up to 17.011.30204.
Can CVE-2021-44739 be exploited remotely?
Yes, CVE-2021-44739 can be exploited by an unauthenticated attacker to obtain sensitive information remotely.
What are the potential consequences of an attack exploiting CVE-2021-44739?
Exploitation of CVE-2021-44739 may lead to unauthorized access to NTLMv2 credentials, increasing the risk of further attacks on affected systems.
- agent/type
- agent/author
- agent/remedy
- agent/references
- agent/weakness
- agent/description
- agent/title
- agent/severity
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/adobe
- canonical/adobe acrobat
- version/adobe acrobat/21.001.20149
- version/adobe acrobat/21.007.20099
- canonical/adobe acrobat reader
- version/adobe acrobat reader/21.001.20149
- version/adobe acrobat reader/21.007.20099
- vendor/microsoft
- canonical/microsoft windows
- vendor/apple
- canonical/apple ios and macos
- version/adobe acrobat reader/20.001.30005
- version/adobe acrobat reader/20.004.30017
- version/adobe acrobat reader/17.011.30180
- version/adobe acrobat reader/17.011.30204