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CVE-1999-0174

30
FAUCET Score

CVE-1999-0174 describes a directory traversal vulnerability in the view-source CGI program, primarily affecting Netscape Communicator. This flaw allows unauthenticated remote attackers to read arbitrary files on the server by using "dot dot" sequences in their requests. With a CVSS score of 6.4 (Medium), it has a low attack complexity and can lead to partial confidentiality and integrity impacts. While not on the CISA KEV list or actively exploited, public exploit code exists on ExploitDB, though there is no evidence of widespread community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:netscape:communicator:4.0:*:*:*:*:*:*:*
4.05CPE matchmatch criteria
cpe:2.3:a:netscape:communicator:4.05:*:*:*:*:*:*:*
4.5CPE matchmatch criteria
cpe:2.3:a:netscape:communicator:4.5:*:*:*:*:*:*:*
4.06CPE matchmatch criteria
cpe:2.3:a:netscape:communicator:4.06:*:*:*:*:*:*:*
4.6CPE matchmatch criteria
cpe:2.3:a:netscape:communicator:4.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

AV:N/AC:L/Au:N/C:P/I:P/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.90%
Probability of exploitation in next 30 days
EPSS Percentile
93.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-20568 · Apr 16, 1997
This CVE's current EPSS score of 0.0690 is in the 91st percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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