{"vulnerability": "cve-2021-31828", "sightings": [{"uuid": "51c84cf3-8ef0-4cc1-bfcd-174baf1ed712", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-31828", "type": "published-proof-of-concept", "source": "Telegram/r-7YQxAfvosWTOr1K8eBhRRQgWXHvVBAJhQ8hcA6wiwgrrM", "content": "", "creation_timestamp": "2021-05-07T17:46:42.000000Z"}, {"uuid": "7144e630-fd88-4db9-b3f8-dc2be5a4b458", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-31828", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/3350", "content": "#Threat_Research\nSSRF in Open Distro for Elasticsearch\n(PoC for CVE-2021-31828)\nhttps://rotem-bar.com/ssrf-in-open-distro-for-elasticsearch-cve-2021-31828", "creation_timestamp": "2021-05-12T11:01:55.000000Z"}, {"uuid": "c635cc1b-747f-48f5-85fa-5750dc36e949", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-31828", "type": "seen", "source": "https://t.me/cissp/3169", "content": "WLAN Security\nWiFi Fragmentation Attacks - \nmultiple vulnerabilities in IEEE802.11 implementations\nhttps://www.fragattacks.com\n]-> Example Packet Captures:\nhttps://github.com/vanhoefm/fragattacks/tree/master/example-pcaps\n\nexploit\nCVE-2021-29200:\nApache OFBiz has unsafe deserialization <17.12.07. An unauthenticated user can perform an RCE attack\nhttps://github.com/r0ckysec/CVE-2021-29200\n\nRed Team Tactics\n1. A collection of Penetration Testing Tools, Scripts, Cheatsheets\ud83d\udc4d\ud83c\udffd\nhttps://github.com/mgeeky/Penetration-Testing-Tools\n2. Jenkins Attack Framework (JAF)\nhttps://www.accenture.com/us-en/blogs/cyber-defense/red-teaming-jenkins-attack-framework\n\nThreat Research\nSSRF in Open Distro for Elasticsearch\n(PoC for CVE-2021-31828)\nhttps://rotem-bar.com/ssrf-in-open-distro-for-elasticsearch-cve-2021-31828\n\nMalware analysis\n1. Analysis of the US DarkSide ransomware\ud83d\ude2d\nhttps://ti.dbappsecurity.com.cn/blog/index.php/2021/05/10/darkside\n]-> Shining a Light on DARKSIDE Ransomware Operations\nhttps://www.fireeye.com/blog/threat-research/2021/05/shining-a-light-on-darkside-ransomware-operations.html\n2. Tracing C function fopen\nhttps://github.com/Dump-GUY/Malware-analysis-and-Reverse-engineering/blob/main/Tracing%20C%20function%20fopen/Tracing%20C%20function%20fopen.md\n\n\n\u200e", "creation_timestamp": "2026-09-01T17:00:50.568459Z"}, {"uuid": "0d0d7205-b9e0-4606-85e6-0fbdb14581c9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-31828", "type": "seen", "source": "https://t.me/cissp/3169", "content": "WLAN Security\nWiFi Fragmentation Attacks - \nmultiple vulnerabilities in IEEE802.11 implementations\nhttps://www.fragattacks.com\n]-> Example Packet Captures:\nhttps://github.com/vanhoefm/fragattacks/tree/master/example-pcaps\n\nexploit\nCVE-2021-29200:\nApache OFBiz has unsafe deserialization <17.12.07. An unauthenticated user can perform an RCE attack\nhttps://github.com/r0ckysec/CVE-2021-29200\n\nRed Team Tactics\n1. A collection of Penetration Testing Tools, Scripts, Cheatsheets\ud83d\udc4d\ud83c\udffd\nhttps://github.com/mgeeky/Penetration-Testing-Tools\n2. Jenkins Attack Framework (JAF)\nhttps://www.accenture.com/us-en/blogs/cyber-defense/red-teaming-jenkins-attack-framework\n\nThreat Research\nSSRF in Open Distro for Elasticsearch\n(PoC for CVE-2021-31828)\nhttps://rotem-bar.com/ssrf-in-open-distro-for-elasticsearch-cve-2021-31828\n\nMalware analysis\n1. Analysis of the US DarkSide ransomware\ud83d\ude2d\nhttps://ti.dbappsecurity.com.cn/blog/index.php/2021/05/10/darkside\n]-> Shining a Light on DARKSIDE Ransomware Operations\nhttps://www.fireeye.com/blog/threat-research/2021/05/shining-a-light-on-darkside-ransomware-operations.html\n2. Tracing C function fopen\nhttps://github.com/Dump-GUY/Malware-analysis-and-Reverse-engineering/blob/main/Tracing%20C%20function%20fopen/Tracing%20C%20function%20fopen.md\n\n\n\u200e", "creation_timestamp": "2026-09-02T01:04:39.533567Z"}]}