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CVE-2021-30116

🗓️ 09 Jul 2021 00:00:00Reported by mitreType 
cve
 cve🔗 web.nvd.nist.gov📰️ 10 Media mentions👁 1476 Views🌐 WEB

Kaseya VSA before 9.5.7 allows credential disclosure, exploited in the wild in July 202

Related
Detection
Refs
Paths
Social
ReporterTitlePublishedViews
Family
attackerkb
attackerkb		CVE-2021-30116
9 Jul 202100:00
–attackerkb
avleonov
Information Security Automation		Last Week’s Security news: PrintNightmare patches and Metasploit, Kaseya CVEs, Morgan Stanley Accellion FTA, Cisco BPA and WSA, Philips Vue PACS, CISA RVAs, Lazarus job offers
11 Jul 202120:52
–avleonov
avleonov
Information Security Automation		Last Week’s Security news: Exploits for ForgeRock, vSphere, Apache Tomcat, new Print Spooler vuln, Kaseya Patch and REvil, SolarWinds, Schneider Electric, Bulletins
19 Jul 202116:29
–avleonov
bdu_fstec
BDU FSTEC		The vulnerability of the software for remote monitoring and management of IT systems by Kaseya VSA, related to insufficient protection of registration data, allows a hacker to disclose sensitive information that should be protected.
17 Dec 202100:00
–bdu_fstec
circl
Circl		CVE-2021-30116
5 Jul 202110:55
–circl
cisa_kev
CISA KEV Catalog		Kaseya Virtual System/Server Administrator (VSA) Information Disclosure Vulnerability
3 Nov 202100:00
–cisa_kev
cnnvd
CNNVD		Kaseya VSA 输入验证错误漏洞
5 Jul 202100:00
–cnnvd
cnvd
CNVD		Kaseya VSA Input Validation Error Vulnerability
6 Jul 202100:00
–cnvd
checkpoint_advisories
Check Point Advisories		Kaseya VSA Remote Code Execution (CVE-2021-30116)
27 Dec 202100:00
–checkpoint_advisories
cvelist
Cvelist		CVE-2021-30116 Unauthenticated credential leak and business logic flaw in Kaseya VSA <= v9.5.6
9 Jul 202100:00
–cvelist
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NVD
Node
OR
kaseyavsa_agentRange<9.5.0.24
kaseyavsa_serverRange<9.5.7a
ParameterPositionPathDescriptionCWE
unquery param/dl.aspUnauthenticated credentials exposed via GET on /dl.asp; using un and pw authenticates and returns a sessionId cookie for subsequent (semi-authenticated) attacks.CWE-522
pwquery param/dl.aspUnauthenticated credentials exposed via GET on /dl.asp; using un and pw authenticates and returns a sessionId cookie for subsequent (semi-authenticated) attacks.CWE-522

My real name is CVE-2021-30116 but all my friends call me Flashy Badger https://t.co/5DeaCo5WCU?amp=1

CVE-2021-30116: Multiple Zero-Day Vulnerabilities in Kaseya VSA Exploited to Distribute REvil Ransomware

CVE-2021-30116: Multiple Zero-Day Vulnerabilities in Kaseya VSA Exploited to Distribute REvil Ransomware

CVE-2021-30116: Multiple Zero-Day Vulnerabilities in Kaseya VSA Exploited to Distribute REvil Ransomware

It is the first time for me to know a protection/signature/rule for the vulnerability CVE-2021-30116. #S52l3il4qamg34

CVE-2021-30116: Multiple Zero-Day Vulnerabilities in Kaseya VSA Exploited to Distribute REvil Ransomware

#cybersecurity, /KaseyaCorp patches the #VSA #zeroday vulnerabilities used by #REvil. /BleepinComputer: The #cybercrime #Ransomware gang probably exploited one or a combination of CVE-2021-30116, CVE-2021-30119, and CVE-2021-30120. #infosec

Credentials leak and business logic flaw vulnerability CVE-2021-30116 was put in RESERVED status on July 5, despite the #Kaseya incident occurring on July 2. The CVE and NVD entries for this vulnerability were still empty by July 8. #ransomware #cve

Alert! #Kaseya hat nur die REvil-Sicherheitslücke geschlossen. Admins sollten sofort die abgesicherte Version installieren, denn derzeit nutzen Angreifer 3 Schwachstellen (CVE-2021-30116, CVE-2021-30119, CVE-2021-30120) für den Erpressungstrojaner aus

CVE-2021-30116: Multiple Zero-Day Vulnerabilities in Kaseya VSA Exploited to Distribute REvil Ransomware

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14 Aug 2026 05:16Current
8.3High risk
Vulners AI Score8.3
CVSS 27.5
CVSS 3.19.8 - 10
EPSS0.85735
SSVC
CWE-522In Wild
cve-2021-30116kaseya vsacredential disclosuresecurity issueunauthenticated download pagesessionid bypassnvdexploit
1476