How severe is CVE-2021-43269?

CVE-2021-43269 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-43269 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43269?

CVE-2021-43269 affects Code42. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43269?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-43269 published?

CVE-2021-43269 was published on 2022-01-20 and last updated on 2026-06-17.

CVE-2021-43269

CVE-2021-43269 is a high-severity vulnerability in Code42 with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Code42
Published: 2022-01-20
Last modified: 2026-06-17

Description

In Code42 app before 8.8.0, eval injection allows an attacker to change a device’s proxy configuration to use a malicious proxy auto-config (PAC) file, leading to arbitrary code execution. This affects Incydr Basic, Advanced, and Gov F1; CrashPlan Cloud; and CrashPlan for Small Business. (Incydr Professional and Enterprise are unaffected.)

Frequently asked questions

What is CVE-2021-43269?: In Code42 app before 8.8.0, eval injection allows an attacker to change a device’s proxy configuration to use a malicious proxy auto-config (PAC) file, leading to arbitrary code execution. This affects Incydr Basic, Advanced, and Gov F1; CrashPlan Cloud; and CrashPlan for Small Business. (Incydr Professional and Enterprise are unaffected.)
How severe is CVE-2021-43269?: CVE-2021-43269 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-43269 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43269?: CVE-2021-43269 affects Code42. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43269?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-43269 published?: CVE-2021-43269 was published on 2022-01-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:code42:code42:*:*:*:*:*:*:*:*

More vulnerabilities in Code42

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CVE-2018-20131 — High (CVSS 7.8): The Code42 app before 6.8.4, as used in Code42 for Enterprise, on Linux installs with overly permissive permissions on…
CVE-2019-16861 — High (CVSS 7.3): Code42 server through 7.0.2 for Windows has an Untrusted Search Path. In certain situations, a non-administrative…
CVE-2019-16860 — High (CVSS 7.3): Code42 app through version 7.0.2 for Windows has an Untrusted Search Path. In certain situations, a non-administrative…
CVE-2020-12736 — High (CVSS 7.2): Code42 environments with on-premises server versions 7.0.4 and earlier allow for possible remote code execution. When…

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Other CWE-94 (Code Injection) vulnerabilities

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CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

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