How severe is CVE-1999-1153?

CVE-1999-1153 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-1999-1153 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1153?

CVE-1999-1153 affects Hamcards Postcard Cgi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1153?

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-1999-1153 published?

CVE-1999-1153 was published on 1998-11-09 and last updated on 2026-06-16.

CVE-1999-1153

CVE-1999-1153 is a high-severity vulnerability in Hamcards Postcard Cgi 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: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hamcards Postcard Cgi
Published: 1998-11-09
Last modified: 2026-06-16

Description

HAMcards Postcard CGI script 1.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the recipient email address.

Frequently asked questions

What is CVE-1999-1153?: HAMcards Postcard CGI script 1.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the recipient email address.
How severe is CVE-1999-1153?: CVE-1999-1153 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-1999-1153 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1153?: CVE-1999-1153 affects Hamcards Postcard Cgi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1153?: 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-1999-1153 published?: CVE-1999-1153 was published on 1998-11-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:hamcards_postcard_cgi:hamcards_postcard_cgi:1.0:*:*:*:*:*:*:*