CVE-20XX-?
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CVE-2020-3452

7.5 HIGH 100% exploit odds exploited in the wild Fix listed Disclosure Network gear

What it is

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct directory traversal attacks and read sensitive files on a targeted system. The vulnerability is due to a lack of proper input validation of URLs in HTTP requests processed by an affected device. An attacker could exploit this vulnerability by sending a crafted HTTP request containing directory traversal character sequences to an affected device. A successful exploit could allow the attacker to view arbitrary files within the web services file system on the targeted device. The web services file system is enabled when the affected device is configured with either WebVPN or AnyConnect features. This vulnerability cannot be used to obtain access to ASA or FTD system files or underlying operating system (OS) files.

At a glance

Exploitability
Can be exploited over the network without logging in. High risk of data exposure.
In the wild
CISA lists this as exploited in real attacks. Treat as urgent.
Fix
A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

  1. ReservedThe CVE id was reserved by its CNA
  2. PublishedDisclosed publicly on CVE.org and NVD
  3. 2021-11-03 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
  4. 2022-05-03 Remediation deadlineCISA's due date for federal agencies to fix it
  5. Last updatedMost recent change to the record

Why it ranks here

Details

Published
Last modified
Added to CISA KEV
2021-11-03
Exploit probability
100.0% · EPSS, next 30 days
Weakness
CWE-20 · Improper input validation
Record status
Analyzed

Affected

Attack profile CVSS 3.1 · 7.5

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-3452.md and follow it. Check whether this project is affected by CVE-2020-3452. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record