ReviewHigh

CVE-2019-1697

Cisco Cisco Adaptive Security Appliance (ASA) Software, adaptive security appliance software, asa 5505

A vulnerability in the implementation of the Lightweight Directory Access Protocol (LDAP) feature in Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerabilities are due to the improper parsing of LDAP packets sent to an affected device. An attacker could exploit these vulnerabilities by sending a crafted LDAP packet, using Basic Encoding Rules (BER), to be processed by an affected device. A successful ex...

CVSS: 7.5
EPSS: 2.03%
CISA KEV: Not listed
Published: 2019.05.04

PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability2.03%

Technical severityCVSS 7.5

Vulnerability overview

Affected product and versions

Product: Cisco Cisco Adaptive Security Appliance (ASA) Software, adaptive security appliance software, asa 5505
Affected versions: >= unspecified < 9.6(4.21), < 9.6.4.25, >= 9.7 < 9.8.4, >= 9.9 < 9.9.2.50, >= 9.10 < 9.10.1.17, < 6.2.3.12, >= 6.3.0 < 6.3.0.3
Fixed versions: 9.6.4.25, 9.8.4, 9.9.2.50, 9.10.1.17, 6.2.3.12, 6.3.0.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Cisco Cisco Adaptive Security Appliance (ASA) Software, adaptive security appliance software, asa 5505 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-20