Adobe Acrobat and Reader, Flash Player Unspecified Vulnerability

CheckOps priority index

5.6/10 Patch within 7 days

Severity7.8

Probability2.1

Exploitation3/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 21.2% higher than 97.6% of CVEs

CVSS 3.1 7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:

Exploited for 1,609 days 08 Jun 2022

CISA due date 22 Jun 2022 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 3 / 5

KEV catalog (CISA)08 Jun 2022
Exploited in EUVD (ENISA)08 Jun 2022
Used by ransomwareno
EPSS above 10 %21.2%
No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: For Adobe Acrobat and Reader, apply updates per vendor instructions. For Adobe Flash Player, the impacted product is end-of-life and should be disconnected if still in use.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9.x through 9.0.159.0 and 10.x through 10.0.22.87, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via (1) a crafted Flash application in a .pdf file or (2) a crafted .swf file, related to authplay.dll, as exploited in the wild in July 2009.

Affected products

Acrobat and Reader, Flash Player

Weaknesses (CWE)

CWE-94

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

23 Jul 2009
Published
08 Jun 2022
Exploitation reported (ENISA)
08 Jun 2022
Added to the KEV catalog
22 Jun 2022
CISA remediation due date
26 Sept 2026
EPSS peak: 21.2%

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CVE-2009-3459Adobe Acrobat and Reader Heap-Based Buffer Overflow Vulnerability
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4.9 · Background exploitation