CVE-1999-1257 json
Xyplex terminal server 6.0.1S1, and possibly other versions, allows remote attackers to bypass the password prompt by entering (1) a CTRL-Z…
published 1997-11-26 28 y ago modified 2026-06-16 4 mo ago also EUVD-1999-1238
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
Xyplex terminal server 6.0.1S1, and possibly other versions, allows remote attackers to bypass the password prompt by entering (1) a CTRL-Z character, or (2) a ? (question mark).
Exploit prediction
1.58% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
References
-
securityfocus.com
/archive/1/8134
mailing-list, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/1825
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/1826
vdb-entry
Sources
- CVE List CVE-1999-1257
- NVD CVE-1999-1257
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.