How severe is CVE-2003-0757?

CVE-2003-0757 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2003-0757 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0757?

CVE-2003-0757 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-2003-0757?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2003-0757 published?

CVE-2003-0757 was published on 2003-10-20 and last updated on 2026-06-16.

CVE-2003-0757

CVE-2003-0757 is a medium-severity vulnerability in Checkpoint Firewall-1 with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Checkpoint Firewall-1
Published: 2003-10-20
Last modified: 2026-06-16

Description

Check Point FireWall-1 4.0 and 4.1 before SP5 allows remote attackers to obtain the IP addresses of internal interfaces via certain SecuRemote requests to TCP ports 256 or 264, which leaks the IP addresses in a reply packet.

Frequently asked questions

What is CVE-2003-0757?: Check Point FireWall-1 4.0 and 4.1 before SP5 allows remote attackers to obtain the IP addresses of internal interfaces via certain SecuRemote requests to TCP ports 256 or 264, which leaks the IP addresses in a reply packet.
How severe is CVE-2003-0757?: CVE-2003-0757 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0757 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0757?: CVE-2003-0757 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-2003-0757?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0757 published?: CVE-2003-0757 was published on 2003-10-20 and last updated on 2026-06-16.

References

http://archives.neohapsis.com/archives/bugtraq/2003-09/0018.html

Affected products (2)

cpe:2.3:a:checkpoint:firewall-1:4.0:*:*:*:*:*:*:*
cpe:2.3:a:checkpoint:firewall-1:4.1:*:*:*:*:*:*:*

More vulnerabilities in Checkpoint Firewall-1

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…
CVE-2004-0040 — Critical (CVSS 10.0): Stack-based buffer overflow in Check Point VPN-1 Server 4.1 through 4.1 SP6 and Check Point SecuRemote/SecureClient 4.1…
CVE-2004-0039 — Critical (CVSS 10.0): Multiple format string vulnerabilities in HTTP Application Intelligence (AI) component in Check Point Firewall-1 NG-AI…
CVE-2005-3673 — High (CVSS 7.8): The Internet Key Exchange version 1 (IKEv1) implementation in Check Point products allows remote attackers to cause a…
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…

All CVEs affecting Checkpoint Firewall-1 →