CVE-2023-43620
Croc sender may place ANSI or CSI escape sequences in filename to attach receiver's terminal device
An issue was discovered in Croc through 9.6.5. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Croc through 9.6.5. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver.
- Record
CVE-2023-43620- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-116
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in Croc through 9.6.5. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver.
- Record
CVE-2023-43620- Updated
- 2026-11-02
EUVDEUVD-2023-2400 No score
An issue was discovered in Croc through 9.6.5. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver.
- Record
EUVD-2023-2400- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-364c-vvqx-446c
Croc sender may place ANSI or CSI escape sequences in filename to attach receiver's terminal device
An issue was discovered in Croc before 9.6.16. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver.
- Record
GHSA-364c-vvqx-446c- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-116
- Updated
- 2026-11-02
OSVGHSA-364c-vvqx-446c
Croc sender may place ANSI or CSI escape sequences in filename to attach receiver's terminal device
An issue was discovered in Croc before 9.6.16. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver.
- Record
GHSA-364c-vvqx-446c- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-116
- Updated
- 2026-11-02
OSV No score
An issue was discovered in Croc through 9.6.5. A sender may place ANSI or CSI escape sequences in a filename to attack the terminal device of a receiver.
- Record
CVE-2023-43620- Updated
- 2026-11-04
OSVGO-2023-2068 No score
Croc sender may place ANSI or CSI escape sequences in filename to attach receiver's terminal device in github.com/schollz/croc
Croc sender may place ANSI or CSI escape sequences in filename to attach receiver's terminal device in github.com/schollz/croc
- Record
GO-2023-2068- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/schollz/croc/v9Go |
before 9.6.16 | 9.6.16 |
github.com/schollz/crocGo |
All versions | None known |
github.com/schollz/croc/v6Go |
All versions | None known |
github.com/schollz/croc/v8Go |
All versions | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-43620 is a high vulnerability (CVSS 7.8) in Schollz Croc, published September 20, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 30th percentile. Fixed in github.com/schollz/croc/v9 9.6.16.
References
openwall.com/lists/oss-security/2023/09/08/2
github.com/schollz/croc/issues/595
nvd.nist.gov/vuln/detail/CVE-2023-43620