CVE-2021-30117: The API call /InstallTab/exportFldr.asp is vulnerable to a semi-authenticated boolean-based blind SQL injectio

Q: How do I fix CVE-2021-30117?

vsa: upgrade to 9.5.6. Exact commands for each OS are on this page.

Q: Is CVE-2021-30117 being exploited?

CVE-2021-30117 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-30117 affect?

CVE-2021-30117 affects vsa. Severity is critical (CVSS 9.8). The API call /InstallTab/exportFldr.asp is vulnerable to a semi-authenticated boolean-based blind SQL injection in the parameter fldrId. Detailed description --- Given the following request: ``` GET /InstallTab/exportFldr.asp?fldrId=1’ HTTP

Q: How urgent is CVE-2021-30117?

Priority 64/100. Critical severity; EPSS top 1%: very likely to be exploited; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2021-30117 is a critical-severity flaw (CVSS 9.8) affecting vsa. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The API call /InstallTab/exportFldr.asp is vulnerable to a semi-authenticated boolean-based blind SQL injection in the parameter fldrId. Detailed description --- Given the following request: ``` GET /InstallTab/exportFldr.asp?fldrId=1’ HTTP/1.1 Host: 192.168.1.194 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:85.0) Gecko/20100101 Firefox/85.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	72.1% (top 1%)
CISA exploited list	No
Weakness	CWE-89
Published	2021-07-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: kaseya

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-07-09 14:15 UTCPublished CVE record published
2026-06-17 03:49 UTCUpdated Record last modified

kaseya vsa UPGRADE

Affected: < 9.5.6

Fixed in: 9.5.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy vsa || rpm -q vsa || vsa --version

2. UPGRADE to 9.5.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade vsa

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade vsa

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-30117?

vsa: upgrade to 9.5.6. Exact commands for each OS are on this page.

Is CVE-2021-30117 being exploited?

CVE-2021-30117 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-30117 affect?

CVE-2021-30117 affects vsa. Severity is critical (CVSS 9.8). The API call /InstallTab/exportFldr.asp is vulnerable to a semi-authenticated boolean-based blind SQL injection in the parameter fldrId. Detailed description --- Given the following request: ``` GET /InstallTab/exportFldr.asp?fldrId=1’ HTTP

How urgent is CVE-2021-30117?

Priority 64/100. Critical severity; EPSS top 1%: very likely to be exploited; Remotely exploitable, no login, no user action

Software pages

Mozilla Firefox vulnerabilities · Intel vulnerabilities

Related CVEs

CVE-2021-30120 CRITICAL 9.9 UPGRADE Kaseya VSA before 9.5.7 allows attackers to bypass the 2FA requirement
CVE-2021-30119 MEDIUM 5.4 UPGRADE Authenticated reflective XSS in HelpDeskTab/rcResults.asp The parameter result of /HelpDeskTab/rcResults.asp i
CVE-2021-30201 HIGH 7.5 UPGRADE The API /vsaWS/KaseyaWS.asmx can be used to submit XML to the system
CVE-2021-30121 MEDIUM 6.5 UPGRADE Semi-authenticated local file inclusion The contents of arbitrary files can be returned by the webserver Examp
CVE-2021-30118 CRITICAL 9.8 UPGRADE An attacker can upload files with the privilege of the Web Server process for Kaseya VSA Unified Remote Monito

References

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