CVE-2018-4920: adobe flash_player Type Confusion
CVSS: 9.3v2.0HighModified
AliasesUBUNTU-CVE-2018-4920
Published 19-05-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-4920 is a high (CVSS 9.3) Type Confusion vulnerability in adobe flash_player. EPSS estimates a 7.62% chance of exploitation in the next 30 days, higher than 94.4% of scored vulnerabilities.
CVSS score
9.3/10
010
High · v2.0 (NVD)EPSS score
7.62%
0%100%
Low · -0.15 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 19-05-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Adobe Flash Player versions 28.0.0.161 and earlier have an exploitable type confusion vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.
CVSS metrics
4 scores · 2 sources · 3 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Critical 9.8Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 9.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
7.62%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
-0.15 pp
From 7.77% on 18-09-2026
18-09-202618-10-2026
EPSS score7.62%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Adobe2 products
- flash_player≤ 28.0.0.161
- flash_player_desktop_runtime≤ 28.0.0.161
Ubuntu1 product
- flashplugin-nonfree< 29.0.0.140ubuntu0.14.04.1 | < 29.0.0.140ubuntu0.16.04.1
2 vendors · 3 products
References
6 links- helpx.adobe.com/security/products/flash-player/apsb18-05.htmlX Refsource MISCPatchVendor AdvisoryREPORT