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    CVE-1999-0770

    Firewall-1 sets a long timeout for connections that begin with ACK or other packets except SYN, allowing an attacker to conduct a denial of service via a large number of connection attempts to unresponsive systems.

    Published:Jul 29, 1999
    Last Modified:Apr 16, 2026
    EPS:Jan 18, 2000
    EPSS Score:0.00623
    CVSS Score:2.1

    Affected Products

    Vendor
    Checkpoint
    Product
    Firewall-1

    Exploits

    http://www.securityfocus.com/bid/549http://www.securityfocus.com/bid/549https://www.exploit-db.com/exploits/19436

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2004-2679 (CVSS 7.8) — Check Point Firewall-1 4.1 up to NG AI R55 allows remote attackers to obtain potentially sensitive information…
    CVE-2004-0699 (CVSS 7.5) — Heap-based buffer overflow in ASN.1 decoding library in Check Point VPN-1 products, when Aggressive Mode IKE i…
    CVE-2004-0469 (CVSS 10) — Buffer overflow in the ISAKMP functionality for Check Point VPN-1 and FireWall-1 NG products, before VPN-1/Fir…
    CVE-2004-0112 (CVSS 5) — The SSL/TLS handshaking code in OpenSSL 0.9.7a, 0.9.7b, and 0.9.7c, when using Kerberos ciphersuites, does not…
    CVE-2004-0079 (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 …
    CVE-2004-0081 (CVSS 5) — OpenSSL 0.9.6 before 0.9.6d does not properly handle unknown message types, which allows remote attackers to c…
    CVE-2004-0040 (CVSS 10) — Stack-based buffer overflow in Check Point VPN-1 Server 4.1 through 4.1 SP6 and Check Point SecuRemote/SecureC…
    CVE-2004-0039 (CVSS 10) — Multiple format string vulnerabilities in HTTP Application Intelligence (AI) component in Check Point Firewall…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High