CVE-2019-1853
mediumpriority · track · 31EPSS 0.016 · 75 %ileEURUUSEPSS · scored 2026-10-27
A vulnerability in the HostScan component of Cisco AnyConnect Secure Mobility Client for Linux could allow an unauthenticated, remote attacker to read sensitive information on an affected system. The vulnerability exists because the affected software performs improper bounds checks. An attacker could exploit this vulnerability by crafting HTTP traffic for the affected component to download and process. A successful exploit could allow the attacker to read sensitive information on the affected system.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedCisco AnyConnect Secure Mobility Clientcisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.8–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
- cisco anyconnect secure mobility client= 4.6(2074)nvdUScpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- cisco-sa-20190515-anyconnectclient-oob-readCisco AnyConnect Secure Mobility Client for Linux Out-of-Bounds Memory Read Vulnerability2019-05-15csaf · cisco_csafUS
A vulnerability in the HostScan component of Cisco AnyConnect Secure Mobility Client for Linux could allow an unauthenticated, remote attacker to read sensitive information on an affected system. The vulnerability exists because the affected software performs improper bounds checks. An attacker could exploit this vulnerability by crafting HTTP traffic for the affected component to download and process. A successful exploit could allow the attacker to read sensitive information on the affected system. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-anyconnectclient-oob-read ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-anyconnectclient-oob-read"]
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- http://www.cisco.com/cnnvd
- http://www.securityfocus.com/bid/108364cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-1853cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-anyconnectclient-oob-readcnnvd
- https://vigilance.fr/vulnerability/Cisco-AnyConnect-Secure-Mobility-Client-information-disclosure-29344cnnvd
- https://www.auscert.org.au/bulletins/81122cnnvd
- https://www.securityfocus.com/bid/108364cnnvd
- http://www.securityfocus.com/bid/108364enisa_euvd
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