CVE-2018-4993
HighAdobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have an NTLM SSO hash theft vulnerability.
Published Jul 9, 2018 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2018-4993 is a high-severity vulnerability (CVSS 7.5 v3) affecting Acrobat Dc (Adobe), Acrobat Reader Dc (Adobe), Adobe Acrobat and Reader 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier versions.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 87% probability of exploitation in the next 30 days.
- Fixed versions are available, including Acrobat Dc <=15.006.30417, Acrobat Dc <=18.011.20038, Acrobat Reader Dc <=15.006.30417.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
87%
Higher than 99.7% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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Description
Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have an NTLM SSO hash theft vulnerability. Successful exploitation could lead to information disclosure.
Affected Products
5 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Acrobat DcAdobe | See advisory | 15.006.30417 |
| Acrobat Reader DcAdobe | See advisory | 15.006.30417 |
| Adobe Acrobat and Reader 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier versions | >= Adobe Acrobat and Reader 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier versions | n/a |
Patched Releases
Acrobat Dc
<=15.006.30417, <=18.011.20038
Acrobat Reader Dc
<=15.006.30417, <=18.011.20038
Timeline
Publicly disclosed
Jul 9, 2018
Last updated
Nov 21, 2024
Weakness Type
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- advisory104177
- advisory1040920
- patchhttps://helpx.adobe.com/security/products/acrobat/apsb18-09.html
FAQ
Common Questions.
Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have an NTLM SSO hash theft vulnerability.
Affected: Acrobat Dc (Adobe); Acrobat Reader Dc (Adobe); Adobe Acrobat and Reader 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier versions versions >= Adobe Acrobat and Reader 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier versions. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Acrobat Dc <=15.006.30417, Acrobat Dc <=18.011.20038, Acrobat Reader Dc <=15.006.30417.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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