Log4Shell (CVE-2021-44228) is a zero-day vulnerability reported in November 2021 in Log4j, a popular Java logging framework, involving arbitrary code...
36 KB (3,505 words) - 23:26, 31 July 2025
Log4j (section Log4Shell vulnerability)
published by the Alibaba Cloud Security Team and given the descriptor "Log4Shell". It has been characterized by Tenable as "the single biggest, most critical...
32 KB (3,205 words) - 23:15, 28 June 2025
2021 with periodic updates since (up to Oct 2023). In response to the Log4Shell vulnerability, AWS released hot patch solutions to mitigate risks in Java...
96 KB (8,167 words) - 05:20, 17 July 2025
Omnissa. Beginning in January 2022, hackers infiltrated servers using the Log4Shell vulnerability at organizations who failed to implement available patches...
99 KB (6,795 words) - 17:04, 25 July 2025
possibly occurred as a result of the Log4Shell zero-day, but UKG claimed it did not have evidence of Log4Shell being responsible for the ransomware incident...
23 KB (1,717 words) - 10:55, 9 May 2025
use in its data centers in October 2021. On November 24, 2021, the bug Log4Shell was disclosed to Apache by Chen Zhaojun of Alibaba Cloud's Security Team...
23 KB (1,878 words) - 07:55, 25 June 2025
of Apache Software Foundation projects Apache Attic Apache Incubator Log4Shell CNCF Linux Foundation "Apache Software Foundation, Tax Filings – Nonprofit...
14 KB (1,177 words) - 21:50, 30 July 2025
Alibaba's Cloud Security Team reported a zero-day vulnerability (later dubbed Log4Shell) involving the use of arbitrary code execution in the ubiquitous Java...
141 KB (14,444 words) - 06:21, 4 August 2025
In December 2021, ExpressVPN modified its product to protect against Log4Shell, updating its VPN to automatically block all outgoing traffic on ports...
23 KB (2,106 words) - 00:21, 1 August 2025
SMBGhost (2020) Thunderspy (2020) PrintNightmare (2021) FORCEDENTRY (2021) Log4Shell (2021) Account pre-hijacking (2022) Retbleed (2022) Downfall (2023) LogoFAIL...
15 KB (1,671 words) - 21:50, 23 June 2025
ACE vulnerabilities. On December 9, 2021, an RCE vulnerability called "Log4Shell" was discovered in popular logging framework Log4j, affecting many services...
11 KB (1,168 words) - 00:34, 4 August 2025
The North Korean hacking group Lazarus exploited CVE-2021-44228, aka "Log4Shell," to deploy three malware families written in DLang. The lack of transparency...
55 KB (5,690 words) - 20:18, 4 August 2025
DarkSide causing substantial shortages in the southeastern USA. Log4Shell 24 November 2021 Log4Shell, a software vulnerability, was disclosed. It had affected...
453 KB (24,243 words) - 14:24, 5 August 2025
file system does. Computer programming portal Service locator pattern Log4Shell "Java SE - Core Technologies - Java Naming and Directory Interface (JNDI)"...
6 KB (733 words) - 10:08, 17 March 2022
SMBGhost (2020) Thunderspy (2020) PrintNightmare (2021) FORCEDENTRY (2021) Log4Shell (2021) Account pre-hijacking (2022) Retbleed (2022) Downfall (2023) LogoFAIL...
43 KB (3,676 words) - 01:29, 30 July 2025
are as good as in-person care with health care use staying similar. The Log4Shell security vulnerability in a Java logging framework was publicly disclosed...
282 KB (23,761 words) - 00:47, 12 July 2025
Version Release date Changes 6.0.0 January 27, 2022 Fixes for Log4Shell vulnerability and breaking changes to bundled Apache XML-RPC libraries to resolve...
7 KB (465 words) - 07:11, 8 January 2025
CVE-2022-22965. It was given the name Spring4Shell in reference to the recent Log4Shell vulnerability, both having similar proofs-of-concept in which attackers...
66 KB (6,684 words) - 00:26, 4 July 2025
SMBGhost (2020) Thunderspy (2020) PrintNightmare (2021) FORCEDENTRY (2021) Log4Shell (2021) Account pre-hijacking (2022) Retbleed (2022) Downfall (2023) LogoFAIL...
11 KB (950 words) - 03:35, 24 October 2024
vulnerability in the October CMS, as well as the exploitation of the notorious Log4Shell flaw, and DDoS attacks. Free and open-source software portal Content management...
7 KB (619 words) - 19:43, 15 June 2025
On July 11, 2022, the CSRB published its first report, reviewing the Log4Shell vulnerability and associated incidents. On July 24, 2023, the CSRB published...
16 KB (1,327 words) - 11:27, 22 July 2025
SMBGhost (2020) Thunderspy (2020) PrintNightmare (2021) FORCEDENTRY (2021) Log4Shell (2021) Account pre-hijacking (2022) Retbleed (2022) Downfall (2023) LogoFAIL...
14 KB (1,265 words) - 12:12, 18 April 2025
SMBGhost (2020) Thunderspy (2020) PrintNightmare (2021) FORCEDENTRY (2021) Log4Shell (2021) Account pre-hijacking (2022) Retbleed (2022) Downfall (2023) LogoFAIL...
3 KB (271 words) - 06:11, 23 October 2024
he was among the top Internet security experts who were exploring the Log4Shell vulnerability. Over the years, Sullivan has held several positions at...
26 KB (2,188 words) - 15:55, 1 August 2025
monocultures can also arise from software libraries, for example the Log4Shell exploit in the popular Log4j library estimated to affect hundreds of millions...
12 KB (1,648 words) - 06:35, 28 May 2025
come from cosmic sources, such as black holes and neutron stars. The Log4Shell security vulnerability in a Java logging framework is publicly disclosed...
299 KB (39,008 words) - 23:43, 17 June 2025