How severe is CVE-2004-0699?

CVE-2004-0699 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2004-0699 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0699?

CVE-2004-0699 primarily affects Checkpoint Firewall-1. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-0699?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2004-0699 published?

CVE-2004-0699 was published on 2004-09-28 and last updated on 2026-06-16.

CVE-2004-0699

CVE-2004-0699 is a high-severity vulnerability in Checkpoint Firewall-1 with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Checkpoint Firewall-1
Published: 2004-09-28
Last modified: 2026-06-16

Description

Heap-based buffer overflow in ASN.1 decoding library in Check Point VPN-1 products, when Aggressive Mode IKE is implemented, allows remote attackers to execute arbitrary code by initiating an IKE negotiation and then sending an IKE packet with malformed ASN.1 data.

Frequently asked questions

What is CVE-2004-0699?: Heap-based buffer overflow in ASN.1 decoding library in Check Point VPN-1 products, when Aggressive Mode IKE is implemented, allows remote attackers to execute arbitrary code by initiating an IKE negotiation and then sending an IKE packet with malformed ASN.1 data.
How severe is CVE-2004-0699?: CVE-2004-0699 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2004-0699 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0699?: CVE-2004-0699 primarily affects Checkpoint Firewall-1. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0699?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-0699 published?: CVE-2004-0699 was published on 2004-09-28 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:checkpoint:firewall-1:4.1:sp6:*:*:*:*:*:*
cpe:2.3:a:checkpoint:vpn-1:*:*:*:*:*:*:*:*

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CVE-2004-0469 — Critical (CVSS 10.0): Buffer overflow in the ISAKMP functionality for Check Point VPN-1 and FireWall-1 NG products, before VPN-1/FireWall-1…
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CVE-2004-2679 — High (CVSS 7.8): Check Point Firewall-1 4.1 up to NG AI R55 allows remote attackers to obtain potentially sensitive information by…
CVE-2004-0079 — High (CVSS 7.5): The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers to cause…

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