Is CVE-2011-5003 in the CISA KEV catalog?

No. CVE-2011-5003 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-5003?

CVE-2011-5003 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2011-5003?

CVE-2011-5003 has an EPSS score of 62.81% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2011-5003

HIGHEPSS 99th pctl

10.0

CVSS v2

NVD

Description

Stack-based buffer overflow in the Phonetic Indexer (AvidPhoneticIndexer.exe) in Avid Media Composer 5.5.3 and earlier allows remote attackers to execute arbitrary code via a long request to TCP port 4659.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

62.81%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

http://secunia.com/advisories/47047
http://www.exploit-db.com/exploits/18183
http://www.osvdb.org/77376
http://www.security-assessment.com/files/documents/advisory/Avid_Media_Composer-Phonetic_Indexer-Remote_Stack_Buffer_Overflow.pdf
http://www.securityfocus.com/bid/50843
https://exchange.xforce.ibmcloud.com/vulnerabilities/71514

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.