How severe is CVE-2002-0527?

CVE-2002-0527 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-0527 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0527?

CVE-2002-0527 primarily affects Watchguard Soho Firewall. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-0527?

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

When was CVE-2002-0527 published?

CVE-2002-0527 was published on 2002-08-12 and last updated on 2026-06-16.

CVE-2002-0527

CVE-2002-0527 is a medium-severity vulnerability in Watchguard Soho Firewall 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: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Watchguard Soho Firewall
Published: 2002-08-12
Last modified: 2026-06-16

Description

Watchguard SOHO firewall before 5.0.35 allows remote attackers to cause a denial of service (crash and reboot) when SOHO forwards a packet with bad IP options.

Frequently asked questions

What is CVE-2002-0527?: Watchguard SOHO firewall before 5.0.35 allows remote attackers to cause a denial of service (crash and reboot) when SOHO forwards a packet with bad IP options.
How severe is CVE-2002-0527?: CVE-2002-0527 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-0527 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0527?: CVE-2002-0527 primarily affects Watchguard Soho Firewall. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0527?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-0527 published?: CVE-2002-0527 was published on 2002-08-12 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:h:watchguard:soho_firewall:5.0.28:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:soho_firewall:5.0.29:*:*:*:*:*:*:*
cpe:2.3:h:watchguard:soho_firewall:5.0.31:*:*:*:*:*:*:*

More vulnerabilities in Watchguard Soho Firewall

CVE-2002-0528 — Critical (CVSS 10.0): Watchguard SOHO firewall 5.0.35 unpredictably disables certain IP restrictions for customized services that were set…
CVE-2000-0894 — Critical (CVSS 10.0): HTTP server on the WatchGuard SOHO firewall does not properly restrict access to administrative functions such as…
CVE-2000-0895 — Critical (CVSS 10.0): Buffer overflow in HTTP server on the WatchGuard SOHO firewall allows remote attackers to cause a denial of service and…
CVE-2002-1047 — High (CVSS 7.5): The FTP service in Watchguard Soho Firewall 5.0.35a allows remote attackers to gain privileges with a correct password…
CVE-2002-1046 — Medium (CVSS 5.0): Dynamic VPN Configuration Protocol service (DVCP) in Watchguard Firebox firmware 5.x.x allows remote attackers to cause…
CVE-2001-0049 — Medium (CVSS 5.0): WatchGuard SOHO FireWall 2.2.1 and earlier allows remote attackers to cause a denial of service via a large number of…

All CVEs affecting Watchguard Soho Firewall →