SARA / Free Tools / CVE / CVE-2018-0251

CVE-2018-0251 — A vulnerability in the Web Server Authentication Required screen of the Clientle

A vulnerability in the Web Server Authentication Required screen of the Clientless Secure Sockets Layer (SSL) VPN portal of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a us

CVSS
— —
EPSS
0.28% (top 48.90%)
CWE
CWE-79
Published
2018-04-19T20:00:00.000Z
Last modified
2024-11-29T15:16:20.643Z
CVSS vector
—

01What is this vulnerability?

A vulnerability in the Web Server Authentication Required screen of the Clientless Secure Sockets Layer (SSL) VPN portal of Cisco Adaptive Security Appliance (ASA) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of that portal on an affected device. The vulnerability is due to insufficient validation of user-supplied input by…

02Affected products

VendorProductVersions
na / Cisco Adaptive Security ApplianceCisco Adaptive Security Appliance

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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