Vulnerability Monitor

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CVE-2002-0848

Cisco VPN 5000 series concentrator hardware 6.0.21.0002 and earlier, and 5.2.23.0003 and earlier, when using RADIUS with a challenge type of Password Authentication Protocol (PAP) or Challenge, sends the user password in cleartext in a validation retry request, which could allow remote attackers to steal passwords via sniffing.

Security Impact Summary

CVE-2002-0848 is a security vulnerability that . Impacting 2 products from cisco, from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2002, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2002-08-12T04:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	vpn_5000_concentrator_series_software	≤ 5.2.23.0003	Yes
Operating System	cisco	vpn_5000_concentrator_series_software	≤ 6.0.21.0002	Yes
Hardware	cisco	vpn_5000_concentrator	-	No

References

http://www.cisco.com/warp/public/707/vpn5k-radius-pap-vuln-pub.shtml Patch, Vendor Advisory ([email protected])
http://www.iss.net/security_center/static/9781.php Broken Link ([email protected])
http://www.securityfocus.com/bid/5417 Third Party Advisory, VDB Entry ([email protected])
http://www.cisco.com/warp/public/707/vpn5k-radius-pap-vuln-pub.shtml Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.iss.net/security_center/static/9781.php Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/5417 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.