CVE-2001-1382
The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an...
The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an additional echo packet after the password and carriage return is entered, which could allow remote attackers to determine that the countermeasure is being used.
Exploit likelihood
What each source reports
NVD Score used
The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an additional echo packet after the password and carriage return is entered, which could allow remote attackers to determine that the countermeasure is being used.
- Record
CVE-2001-1382- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an additional echo packet after the password and carriage return is entered, which could allow remote attackers to determine that the countermeasure is being used.
- Record
CVE-2001-1382- Updated
- 2026-11-02
EUVDEUVD-2001-1362 No score
The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an additional echo packet after the password and carriage return is entered, which could allow remote attackers to determine that the countermeasure is being used.
- Record
EUVD-2001-1362- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pw45-4wv8-37wm No score
The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an...
The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an additional echo packet after the password and carriage return is entered, which could allow remote attackers to determine that the countermeasure is being used.
- Record
GHSA-pw45-4wv8-37wm- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2001-1382 is a medium vulnerability (CVSS 5.0) in Openbsd Openssh, published September 27, 2001. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.61%, the 94th percentile. No source names a fixed version.