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CVE detail

CVE-2024-20337

A vulnerability in the SAML authentication process of Cisco Secure Client could allow an unauthenticated, remote attacker to conduct a carriage return line feed (CRLF) injection attack against a user. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a crafted link while establishing a VPN session. A successful exploit could allow the attacker to execute arbitrary script code in the browser or access sensitive, browser-based information, including a valid SAML token. The attacker could then use the token to establish a remote access VPN session with the privileges of the affected user. Individual hosts and services behind the VPN headend would still need additional credentials for successful access.

CVSS 8.2 · HighBuzz score 30.9

Buzz score

Why this CVE is surfacing

Buzz score total 30.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 17.9 · diversity 13.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
17.9
5 evidence mentions in the snapshot
Diversity score
13.0
4 sources across 2 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
5 source links · newest first
  • 11th March – Threat Intelligence ReportCheck Point Research

    For the latest discoveries in cyber research for the week of 11th March, please download our Threat_Intelligence Bulletin. TOP ATTACKS AND BREACHES Cybersecurity and Infrastructure Security Agency (CISA) has taken offline two systems following a breach that occurred as a result of the recent vulnerabilities exploitation in Ivanti products. The affected systems potentially include the […]

    vendorresearch.checkpoint.comMar 11, 2024, 12:14 PM
  • Week in review: Attackers use phishing emails to steal NTLM hashes, Patch Tuesday forecastHelp Net Security

    Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: What organizations need to know about the Digital Operational Resilience Act (DORA) In this Help Net Security interview, Kris Lovejoy, Global Security and Resilience Leader at Kyndryl, discusses the impact of the Digital Operational Resilience Act (DORA) on organizations across the EU, particularly in ICT risk management and cybersecurity. Leveraging AI and automation for enhanced cloud communication security In this … More →

    newswww.helpnetsecurity.comMar 10, 2024, 9:00 AM
  • Cisco addressed severe flaws in its Secure ClientSecurity Affairs

    Cisco addressed two high-severity vulnerabilities in Secure Client that could lead to code execution and unauthorized remote access VPN sessions. Cisco released security patches to address two high-severity vulnerabilities in Secure Client respectively tracked as CVE-2024-20337 and CVE-2024-20338. Cisco Secure Client is a security tool developed by Cisco that provides VPN (Virtual Private Network) access […]

    newssecurityaffairs.comMar 8, 2024, 1:59 PM
  • Cisco patches Secure Client VPN flaw that could reveal authentication tokens (CVE-2024-20337)Help Net Security

    Cisco has fixed two high-severity vulnerabilities affecting its Cisco Secure Client enterprise VPN and endpoint security solution, one of which (CVE-2024-20337) could be exploited by unauthenticated, remote attackers to grab users’ valid SAML authentication token. “The attacker could then use the token to establish a remote access VPN session with the privileges of the affected user,” Cisco says, but notes that “individual hosts and services behind the VPN headend would still need additional credentials for … More →

    newswww.helpnetsecurity.comMar 8, 2024, 10:49 AM
  • Cisco Patches High-Severity Vulnerabilities in VPN ProductSecurityWeek

    High-severity flaws in Cisco Secure Client could lead to code execution and unauthorized remote access VPN sessions.

    newswww.securityweek.comMar 7, 2024, 1:36 PM

Exploit code

Public exploit repository references

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