Is CVE-2021-40720 in the CISA KEV catalog?

No. CVE-2021-40720 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-40720?

CVE-2021-40720 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-40720?

CVE-2021-40720 has an EPSS score of 9.22% (95th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-40720?

Upgrade ops-cli to 2.0.5 or later.

CVE & CISA-KEV Catalog

CVE-2021-40720

CRITICALEPSS 95th pctl

9.8

CVSS v3

NVD

Description

Ops CLI version 2.0.4 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve arbitrary code execution when the checkout_repo function is called on a maliciously crafted file. An attacker can leverage this to execute arbitrary code on the victim machine.

CWE-502Deserialization of Untrusted Data

How to fix

Remediation Available

ops-cliNVD

Affected:< 2.0.5Fixed in:2.0.5CVE-2021-40720derived from NVD

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

9.22%probability of exploitation in 30 days

95thpercentile

High risk: more likely to be exploited than 95% of all known CVEs.

References

Patch1

helpx.adobe.com

Related Vulnerabilities

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-0669	High	7.2	100%	KEV + Ransom	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-35464	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-29300	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-53770	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-47986	Critical	9.8	100%	KEV + Ransom	-

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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.