CVE-2021-21070

Q: How do I fix CVE-2021-21070?

Upgrade robohelp to 2020.0.4 or later.

Q: Is CVE-2021-21070 being actively exploited?

Not that we know of. CVE-2021-21070 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 73% of all scored CVEs.

Q: How severe is CVE-2021-21070?

CVE-2021-21070 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2021-21070 affect?

Published advisories record a fix for robohelp (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUMEPSS 73th pctl

6.5

CVSS v3

NVD

Description

Adobe Robohelp version 2020.0.3 (and earlier) is affected by an uncontrolled search path element vulnerability that could lead to privilege escalation. An attacker with admin permissions to write to the file system could leverage this vulnerability to escalate privileges.

CWE-427

How to fix

Remediation Available

robohelpNVD

Affected:< 2020.0.4Fixed in:2020.0.4CVE-2021-21070derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.60%probability of exploitation in 30 days

73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Patch1

helpx.adobe.com

Related Vulnerabilities

Other CWE-427 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-27955	Critical	9.8	83%	-	-
CVE-2017-6517	Critical	9.8	46%	-	-
CVE-2020-3153	Medium	6.5	27%	KEV + Ransom	Fix
CVE-2024-48990	High	7.8	20%	-	Fix
CVE-2019-9491	High	7.8	13%	-	-
CVE-2020-3433	High	7.8	10%	KEV + Ransom	Fix

Common questions

How do I fix CVE-2021-21070?

Upgrade robohelp to 2020.0.4 or later.

Is CVE-2021-21070 being actively exploited?

Not that we know of. CVE-2021-21070 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.6% is the estimated probability that it will be exploited in the next 30 days. That is higher than 73% of all scored CVEs.

How severe is CVE-2021-21070?

CVE-2021-21070 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-21070 affect?

Published advisories record a fix for robohelp (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.