The installation of 1ArcServe Backup and Inoculan AV client modules for Exchange create a log file, exchverify.log, which contains usernames and passwords in plaintext.
Conclusion & alert: CVE-1999-1322 is rated Moderate Risk (44.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.50%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.60% | 1.50% | +0.90% |
| 2 | 2026-01-02 | 0.81% | 0.60% | -0.21% |
| 3 | 2025-12-28 | — | 0.81% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.6 | 2.0 | MEDIUM |
|
3.9 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| broadcom | arcserve_backup | — | cpe:2.3:a:broadcom:arcserve_backup:*:*:*:*:*:*:*:* |
| broadcom | inoculan | — | cpe:2.3:a:broadcom:inoculan:*:*:*:*:*:*:*:* |
| microsoft | exchange_server | — | cpe:2.3:a:microsoft:exchange_server:*:*:*:*:*:*:*:* |