CVE-2020-9746: Exploitable NULL pointer deref could lead to arbitrary code execution
Vulnerability summary
CVE-2020-9746 is a high (CVSS 9.3) NULL Pointer Dereference vulnerability in adobe flash_player. EPSS estimates a 4.25% chance of exploitation in the next 30 days, higher than 91% of scored vulnerabilities.
Not severe (CVSS 7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 14-10-2020PublishedVulnerability first disclosed.
- 23-04-2025Last modifiedVulnerability information updated.
Description
Adobe Flash Player version 32.0.0.433 (and earlier) are affected by an exploitable NULL pointer dereference vulnerability that could result in a crash and arbitrary code execution. Exploitation of this issue requires an attacker to insert malicious strings in an HTTP response that is by default delivered over TLS/SSL.
CVSS metrics
5 scores · 4 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
4.25%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
No change 0.00 pp
From 4.25% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Adobe1 product
- flash_player≥ unspecified, ≤ 32.0.0.387 | ≥ unspecified, ≤ 32.0.0.433 | ≥ unspecified, ≤ None | ≤ 32.0.0.433 | < 32.0.0.433 | < 32.0.0.387
Mageia1 product
- flash-player-plugin< 32.0.0.445-1.mga7.nonfree
Redhat1 product
- flash-plugin< 0:32.0.0.445-1.el6_10
Ubuntu1 product
- flashplugin-nonfree< 32.0.0.445ubuntu0.16.04.1 | < 32.0.0.445ubuntu0.18.04.1 | < 32.0.0.445ubuntu0.20.04.1
4 vendors · 4 products
References
11 links- helpx.adobe.com/security/products/flash-player/apsb20-58.htmlX Refsource MISCWEBARTICLEREPORTVendor Advisory
