How severe is CVE-1999-1049?

CVE-1999-1049 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-1999-1049 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1049?

CVE-1999-1049 affects Broadcom Arcserve Backup. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-1049?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-1999-1049 published?

CVE-1999-1049 was published on 1999-02-21 and last updated on 2026-06-16.

CVE-1999-1049

CVE-1999-1049 is a critical-severity vulnerability in Broadcom Arcserve Backup with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Broadcom Arcserve Backup
Published: 1999-02-21
Last modified: 2026-06-16

Description

ARCserve NT agents use weak encryption (XOR) for passwords, which allows remote attackers to sniff the authentication request to port 6050 and decrypt the password.

Frequently asked questions

What is CVE-1999-1049?: ARCserve NT agents use weak encryption (XOR) for passwords, which allows remote attackers to sniff the authentication request to port 6050 and decrypt the password.
How severe is CVE-1999-1049?: CVE-1999-1049 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-1999-1049 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1049?: CVE-1999-1049 affects Broadcom Arcserve Backup. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1049?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-1999-1049 published?: CVE-1999-1049 was published on 1999-02-21 and last updated on 2026-06-16.

References

http://marc.info/?l=bugtraq&m=91972006211238&w=2

Affected products (1)

cpe:2.3:a:broadcom:arcserve_backup:*:*:*:*:*:*:*:*

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