CVE-2008-5543 json
Symantec AntiVirus (SAV) 10, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML docum…
published 2008-12-12 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-5518
- cvss
- 9.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
Symantec AntiVirus (SAV) 10, when Internet Explorer 6 or 7 is used, allows remote attackers to bypass detection of malware in an HTML document by placing an MZ header (aka "EXE info") at the beginning, and modifying the filename to have (1) no extension, (2) a .txt extension, or (3) a .jpg extension, as demonstrated by a document containing a CVE-2006-5745 exploit.
Exploit prediction
2.95% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
exchange.xforce.ibmcloud.com
/vulnerabilities/47435
vdb-entry
-
securityreason.com
/securityalert/4723
third-party-advisory
-
securityfocus.com
/archive/1/499043/100/0/threaded
mailing-list
-
securityfocus.com
/archive/1/498995/100/0/threaded
mailing-list
Sources
- CVE List CVE-2008-5543
- NVD CVE-2008-5543
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