CVE-1999-1277

CVE-1999-1277 is a medium-severity vulnerability in Backweb Technologies Backweb Client with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

BackWeb client stores the username and password in cleartext for proxy authentication in the Communication registry key, which could allow other local users to gain privileges by reading the password.

Frequently asked questions

What is CVE-1999-1277?
BackWeb client stores the username and password in cleartext for proxy authentication in the Communication registry key, which could allow other local users to gain privileges by reading the password.
How severe is CVE-1999-1277?
CVE-1999-1277 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-1999-1277 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1277?
CVE-1999-1277 affects Backweb Technologies Backweb Client. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1277?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1277 published?
CVE-1999-1277 was published on 1998-12-24 and last updated on 2026-06-16.

References

Affected products (1)