Vulnerability Description
Adobe Acrobat Reader DC add-on for Internet Explorer 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 check for existence of local files. Exploitation of this issue requires user interaction in that a victim must visit an attacker controlled web page.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Acrobat | >= 17.011.30059, <= 17.011.30199 |
| Adobe | Acrobat Reader | >= 17.011.30059, <= 17.011.30199 |
| Apple | Macos | - |
| Microsoft | Windows | - |
| Adobe | Acrobat Dc | >= 15.008.20082, <= 21.005.20058 |
| Adobe | Acrobat Reader Dc | >= 15.008.20082, <= 21.005.20058 |
Related Weaknesses (CWE)
References
- https://helpx.adobe.com/security/products/acrobat/apsb21-55.htmlRelease NotesVendor Advisory
- https://helpx.adobe.com/security/products/acrobat/apsb21-55.htmlRelease NotesVendor Advisory
FAQ
What is CVE-2021-39857?
CVE-2021-39857 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Adobe Acrobat Reader DC add-on for Internet Explorer versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an Information Disclosure vuln...
How severe is CVE-2021-39857?
CVE-2021-39857 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-39857?
Check the references section above for vendor advisories and patch information. Affected products include: Adobe Acrobat, Adobe Acrobat Reader, Apple Macos, Microsoft Windows, Adobe Acrobat Dc.