CVE-2021-39855

Summary

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 open a maliciously crafted Microsoft Office file, or visit an attacker controlled web page.

Affected Software

VendorProductVersion RangeStatus
AdobeAcrobat Readerunspecified <= 2020.004.30006affected
AdobeAcrobat Readerunspecified <= 2017.011.30199affected
AdobeAcrobat Readerunspecified <= 2021.005.20060affected
AdobeAcrobat Readerunspecified <= Noneaffected

Weaknesses

  • CWE-200: Information Exposure (CWE-200)

ADP Enrichment

CVE Program Container

Additional References

References