How serious is Log4j vulnerability
The Apache Software Foundation, which publishes the Log4j 2 library, gave the vulnerability a CVSS score of 10 out of 10, the highest-level severity score, because of its potential for widespread exploitation and the ease with which malicious attackers can exploit it.
Is Log4j safe to use now
The widespread vulnerability that first appeared in Apache Log4j in 2021 will continue to be exploited, potentially even in worse ways than we've seen to date. The more worrisome aspect of these threats is that there's a good chance they'll continue to be exploited months or years into the future.
What is the damage of Log4j
The vulnerability discovered in the Log4j code would allow hackers to execute any software code on the target computer. The government report emphasized that while the vulnerability had been extremely disruptive that there was little evidence of malicious damage caused by it.
What is impacted by Log4j vulnerability
Further Exploitations via CVE-2021-44228
The observed attacks from the Apache Log4j vulnerabilities are mostly coin mining, remote shells, red-team activities, and mass-scanning.
Is Log4j still a problem
With 40% of Log4j Downloads Still Vulnerable, Security Retrofitting Needs to Be a Full-Time Job. Vulnerabilities like Log4j remain responsible for security breaches a full year after the discovery of the flaw.
Is Log4j still an issue
A Year Later, That Brutal Log4j Vulnerability Is Still Lurking. Despite mitigation, one of the worst bugs in internet history is still prevalent—and being exploited.
Who is at risk for Log4j
What Specific Devices are at Risk According to ZDNet, “Any device that's exposed to the internet is at risk if it's running Apache Log4J, versions 2.0 to 2.14. 1." This affects both IT and Operational Technology (OT) networks.
Is Log4j still being exploited
Log4j remains a threat in 2023
As the Log4j library is widely used it is likely to still be embedded in large systems and organizations that are not keeping track what is in their software supply chain are most at risk.
What is the fix for Log4j vulnerability
You can fix the Log4j vulnerability by updating Log4j to the latest version (2.15. 0 or later for CVE-2021-44228 and 2.16. 0 or later for CVE-2021-45046) and applying temporary workarounds if immediate updating is not feasible.
Is Log4j a threat to home computers
The nature of the capabilities associated with the Log4j vulnerabilities leaves the door open for attackers to execute malicious code remotely – meaning bad actors can steal data, install malware, or simply take control of a system via the Internet – which presents obvious, severe risks for consumers and businesses …
Who has been hit by Log4j
Top 10 Impacted VendorsAdobe. Adobe found that ColdFusion 2021 is subject to Log4Shell and released a security updateOpens a new window to address the problem on December 14.Cisco.F-Secure.Fortinet.FortiGuard.IBM.Okta.VMware.
How did they fix Log4j
You can fix the Log4j vulnerability by updating Log4j to the latest version (2.15. 0 or later for CVE-2021-44228 and 2.16. 0 or later for CVE-2021-45046) and applying temporary workarounds if immediate updating is not feasible.
Is Log4j a big deal
Last week, a vulnerability was found in Log4j, an open-source logging library commonly used by apps and services across the internet. If left unfixed, attackers can break into systems, steal passwords and logins, extract data, and infect networks with malicious software.
Who has been hacked by Log4j
Over a hundred vendors confirmed to be affected including: Microsoft, Amazon Web Services, Netflix and Oracle, and experts say that the flaw has gone unnoticed since 2013.
Was Log4j a zero day vulnerability
Log4j is just a recent zero-day attack example. There have been many in the past. Many more will no doubt happen in the future.
Who caught Log4j vulnerability
Log4Shell
| CVE identifier(s) | CVE-2021-44228 |
|---|---|
| Date discovered | 24 November 2021 |
| Date patched | 6 December 2021 |
| Discoverer | Chen Zhaojun of the Alibaba Cloud Security Team |
| Affected software | Applications logging user input using Log4j 2 |
Is log4j still a problem
With 40% of Log4j Downloads Still Vulnerable, Security Retrofitting Needs to Be a Full-Time Job. Vulnerabilities like Log4j remain responsible for security breaches a full year after the discovery of the flaw.
Is log4j 2.16 still vulnerable
December 20, 2021
Log4j 2.17 has been released to address a Denial of Service (DoS) vulnerability found in v2. 16 and earlier. Log4j 2.16 and earlier does not always protect from infinite recursion in lookup evaluation, which can lead to DoS attacks. This is considered a High (7.5) vulnerability on the CVSS scale.
Do I need to worry about Log4j
As mentioned previously, cybersecurity experts considered the Log4j exploit critical due to the ease of exploitation and the fact that no authentication was required to perform it. Add the prevalence of the vulnerability of public-facing systems to this and you have yourself a major cause for concern.
How long will Log4j last
However, if past behavior is indicative of future performance, it is likely the Log4j vulnerability will crop up for years to come.
Did Log4j get fixed
Since December, most vendors have published security updates that resolve the Log4j flaw within their applications, and Apache themselves have released fixes and updated versions that remediate the vulnerability. With that being said, thousands of systems are still vulnerable today.
Has the Log4j exploit been fixed
Update to the latest version of the Log4j Library
According to Apache, the vulnerability CVE-2021-45105 is fixed in its latest library version. This should prevent future attacks but it will not remediate any damage caused before the library upgrade.
Is Log4j fixed
No, the original Log4j vulnerability has essentially mutated into three newer forms as Apache has issued patches, though all were addressed by the end of 2021. Apache patched the original vulnerability, CVE-2021-44228, on December 6, 2021. However, it turned out that this patch did not entirely fix the issue.
Does Log4j only affect Java
The vulnerability affects not only Java-based applications and services that use the library directly, but also many other popular Java components and development frameworks that rely on it.
Is Log4j 2.17 1 safe
1 can probably wait. A number of security professionals say that the latest vulnerability in Apache Log4j, disclosed on Tuesday, does not pose an increased security risk for the majority of organizations. As a result, for many organizations that have already patched to version 2.17.
