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CVE-1999-1357

UnknownEPSS 1.38%

Last modified

CVE-1999-1357 is a vulnerability of currently unknown severity. Netscape Communicator 4.04 through 4.7 (and possibly other versions) in various UNIX operating systems converts the 0x8b character to a "<" sign, and the 0x9b character to a ">" sign, which could allow remote attackers to attack other clients via cross-site scripting (CSS) in CGI programs that do not filter these characters.. EPSS estimates a 1.38% chance of exploitation in the next 30 days.

Description

Netscape Communicator 4.04 through 4.7 (and possibly other versions) in various UNIX operating systems converts the 0x8b character to a "<" sign, and the 0x9b character to a ">" sign, which could allow remote attackers to attack other clients via cross-site scripting (CSS) in CGI programs that do not filter these characters.

Metrics

EPSS Probability
1.38%

68.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
NetscapeCommunicator<= 4.7
NetscapeCommunicator4.04
NetscapeCommunicator4.51

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-1999-1357?
Netscape Communicator 4.04 through 4.7 (and possibly other versions) in various UNIX operating systems converts the 0x8b character to a "<" sign, and the 0x9b character to a ">" sign, which could allow remote attackers to attack other clients via cross-site scripting (CSS) in CGI programs that do not filter these characters.
How severe is CVE-1999-1357?
Severity scoring for CVE-1999-1357 is pending analysis. The EPSS model estimates a 1.38% probability of exploitation in the next 30 days.
How do I fix CVE-1999-1357?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-1999-1357?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST