How severe is CVE-1999-0174?

CVE-1999-0174 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-1999-0174 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0174?

CVE-1999-0174 primarily affects Netscape Communicator. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0174?

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

When was CVE-1999-0174 published?

CVE-1999-0174 was published on 1997-02-01 and last updated on 2026-06-16.

CVE-1999-0174

CVE-1999-0174 is a medium-severity vulnerability in Netscape Communicator with a CVSS 2.0 base score of 6.4. 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 6.4)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netscape Communicator
Published: 1997-02-01
Last modified: 2026-06-16

Description

The view-source CGI program allows remote attackers to read arbitrary files via a .. (dot dot) attack.

Frequently asked questions

What is CVE-1999-0174?: The view-source CGI program allows remote attackers to read arbitrary files via a .. (dot dot) attack.
How severe is CVE-1999-0174?: CVE-1999-0174 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-1999-0174 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0174?: CVE-1999-0174 primarily affects Netscape Communicator. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0174?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0174 published?: CVE-1999-0174 was published on 1997-02-01 and last updated on 2026-06-16.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0174

Affected products (7)

cpe:2.3:a:netscape:communicator:4.0:*:*:*:*:*:*:*
cpe:2.3:a:netscape:communicator:4.05:*:*:*:*:*:*:*
cpe:2.3:a:netscape:communicator:4.5:*:*:*:*:*:*:*
cpe:2.3:a:netscape:communicator:4.06:*:*:*:*:*:*:*
cpe:2.3:a:netscape:communicator:4.6:*:*:*:*:*:*:*
cpe:2.3:a:netscape:communicator:4.07:*:*:*:*:*:*:*
cpe:2.3:a:netscape:communicator:4.51:*:*:*:*:*:*:*

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