CVE-2005-3768

highpriority · track · 31EPSS 0.038 · 90 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

3.78% (90th) EPSS

CVSS 7.5 · high

Is it mine?

11 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

Buffer overflow in the Internet Key Exchange version 1 (IKEv1) implementation in Symantec Dynamic VPN Services, as used in Enterprise Firewall, Gateway Security, and Firewall /VPN Appliance products, allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USLLM-inferredCWE-476USLLM-inferred

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
symantec enterprise firewall= 8.0nvdUScpe:2.3:a:symantec:enterprise_firewall:*:*:*:*:*:*:*:*
symantec firewall vpn appliance 100all versionsnvdUScpe:2.3:h:symantec:firewall_vpn_appliance_100:*:*:*:*:*:*:*:*
symantec firewall vpn appliance 200all versionsnvdUScpe:2.3:h:symantec:firewall_vpn_appliance_200:*:*:*:*:*:*:*:*
symantec gateway security 300= 2.0nvdUScpe:2.3:h:symantec:gateway_security_300:*:*:*:*:*:*:*:*
symantec gateway security 400= 2.0nvdUScpe:2.3:h:symantec:gateway_security_400:*:*:*:*:*:*:*:*
symantec gateway security 5000 series= 3.0nvdUScpe:2.3:h:symantec:gateway_security_5000_series:*:*:*:*:*:*:*:*
symantec gateway security 5100all versionsnvdUScpe:2.3:h:symantec:gateway_security_5100:*:*:*:*:*:*:*:*
symantec gateway security 5300= 1.0nvdUScpe:2.3:h:symantec:gateway_security_5300:*:*:*:*:*:*:*:*
symantec gateway security 5310= 1.0nvdUScpe:2.3:h:symantec:gateway_security_5310:*:*:*:*:*:*:*:*
symantec gateway security 5400= 2.0.1nvdUScpe:2.3:h:symantec:gateway_security_5400:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2005-11-23modified 2026-06-16

references (12)

External citations — patches, advisories, analysis.

scry

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