CVE-2021-39856
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.
Risk Information
Base Score
6.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score
Exploitation Probability
2.023
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Vulnerability CVE-2021-39855,CVE-2021-39856,CVE-2021-39860 are affected in Adobe Acrobat DC (Classic Track) 17.011.30196 | Windows |
| Vulnerability CVE-2021-39855,CVE-2021-39856,CVE-2021-39860 are affected in Adobe Acrobat Reader DC 17.011.30196 | Windows |
| Vulnerability CVE-2021-39855,CVE-2021-39856,CVE-2021-39860 are affected in Adobe Acrobat Reader DC MUI (Classic Track) 17.011.30196 | Windows |
| Vulnerability CVE-2021-39855,CVE-2021-39856,CVE-2021-39860 are affected in Adobe Acrobat Reader DC MUI 17.011.30196 | Windows |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-319976 | Adobe Acrobat Reader 2017 MUI (Classic Track) (17.011.30197) (APSB21-37) |
| PATCH-343120 | Adobe Acrobat Reader DC (24.004.20272) |
| PATCH-307934 | Adobe Acrobat Reader 2017 MUI (Classic Track) update - All languages 17.011.30099 (APSB18-29) |
| PATCH-343122 | Adobe Acrobat Reader DC MUI (24.004.20272) |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234