CVE-2001-1469

Exp

The RC4 stream cipher as used by SSH1 allows remote attackers to modify messages without detection by XORing the original message's cyclic redundancy check (CRC) with the CRC of a mask consisting of all the bits of the original message that were modified.

Published: 2001-01-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-1469 is rated Exploit Available (58.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.21%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2001-1469

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-1469

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 0.48% 1.21% +0.73%
2 2025-03-30 0.43% 0.48% +0.05%
3 2025-03-29 — 0.43% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-1469

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2001-1469

Affected software / configurations for CVE-2001-1469

Vendor Product Version Raw CPE
ssh ssh 1.2.24 cpe:2.3:a:ssh:ssh:1.2.24:*:*:*:*:*:*:*
ssh ssh 1.2.25 cpe:2.3:a:ssh:ssh:1.2.25:*:*:*:*:*:*:*
ssh ssh 1.2.26 cpe:2.3:a:ssh:ssh:1.2.26:*:*:*:*:*:*:*
ssh ssh 1.2.27 cpe:2.3:a:ssh:ssh:1.2.27:*:*:*:*:*:*:*
ssh ssh 1.2.28 cpe:2.3:a:ssh:ssh:1.2.28:*:*:*:*:*:*:*
ssh ssh 1.2.29 cpe:2.3:a:ssh:ssh:1.2.29:*:*:*:*:*:*:*
ssh ssh 1.2.30 cpe:2.3:a:ssh:ssh:1.2.30:*:*:*:*:*:*:*
ssh ssh 1.2.31 cpe:2.3:a:ssh:ssh:1.2.31:*:*:*:*:*:*:*

References for CVE-2001-1469

cvelogic Threat Intelligence