CVE-2020-20269 [Critical] | Security Vulnerability in Caret

CVE-2020-20269 is rated High Risk (71.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.69%, 91th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	4.33%	4.69%	+0.36%
2	2025-03-30	9.62%	4.33%	-5.30%
3	2025-03-29	—	9.62%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

4.33%

4.69%

+0.36%

2025-03-30

9.62%

4.33%

-5.30%

2025-03-29

—

9.62%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
9.8	3.1	CRITICAL	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	3.9	5.9	[email protected]
10.0	2.0	HIGH	`AV:N/AC:L/Au:N/C:C/I:C/A:C` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:C) Complete confidentiality impact. Integrity impact (I:C) Complete integrity impact. Availability impact (A:C) Complete availability impact.	10.0	10.0	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

9.8

3.1

CRITICAL

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

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

3.9

5.9

[email protected]

10.0

2.0

HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:L): Exploitation conditions are straightforward and predictable.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:C): Complete confidentiality impact.
Integrity impact (I:C): Complete integrity impact.
Availability impact (A:C): Complete availability impact.

10.0

[email protected]

Affected software / configurations for CVE-2020-20269

Vendor	Product	Version	Raw CPE
caret	caret	<= 3.4.6	cpe:2.3:a:caret:caret::::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:beta0::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:beta1::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:beta2::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:beta3::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:beta4::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:beta5::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:beta6::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:beta7::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:beta8::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:beta9::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc1::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc10::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc11::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc12::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc13::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc14::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc15::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc16::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc17::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc18::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc19::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc2::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc20::::::
caret	caret	4.0.0	cpe:2.3:a:caret:caret:4.0.0:rc21::::::

References for CVE-2020-20269

URL	Tags
http://packetstormsecurity.com/files/161072/Caret-Editor-4.0.0-rc21-Remote-Code-Execution.html	Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2021/Jan/59	Mailing List Third Party Advisory
https://caret.io	Product
https://github.com/careteditor/issues/issues/841	Issue Tracking Third Party Advisory
https://github.com/careteditor/releases-beta/releases/tag/4.0.0-rc22	Release Notes Third Party Advisory
https://seclists.org/fulldisclosure/2021/Jan/59	Mailing List Third Party Advisory

URL

CVE-2020-20269

Exploit prediction scoring system (EPSS) score for CVE-2020-20269

Common vulnerability scoring system (CVSS) metrics for CVE-2020-20269

Weakness enumeration for CVE-2020-20269

Affected software / configurations for CVE-2020-20269

References for CVE-2020-20269