SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2008-0308

Symantec Decomposer, as used in certain Symantec antivirus products including Symantec Scan Engine 5.1.2 and other versions before 5.1.6.31, allows remote attackers to cause a denial of service (memory consumption) via a malformed RAR file to the…

HIGH 7.1EPSS 2.55%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Symantec Decomposer, as used in certain Symantec antivirus products including Symantec Scan Engine 5.1.2 and other versions before 5.1.6.31, allows remote attackers to cause a denial of service (memory consumption) via a malformed RAR file to the Internet Content Adaptation Protocol (ICAP) port (1344/tcp).

CVSS 2.0
7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
EPSS
2.55% probability · 85th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-399
Affected
symantec/scan engine · symantec/symantec antivirus clearswift · symantec/symantec antivirus filtering domino mpe · symantec/symantec antivirus messaging · symantec/symantec antivirus microsoft sharepoint · symantec/symantec antivirus ms isa · symantec/symantec antivirus network attached storage · symantec/symantec antivirus scan engine · symantec/symantec antivirus scan engine caching · symantec/symantec mail security exchange
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 2.55%26 October 202626 October 2026

EPSS 2.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.