CVE-2023-46446: asyncssh_project asyncssh
Vulnerability summary
CVE-2023-46446 is a medium (CVSS 6.8) vulnerability in asyncssh_project asyncssh. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58.7% of scored vulnerabilities.
Not severe (CVSS 6.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 2Timeline
- 14-11-2023PublishedVulnerability first disclosed.
- 25-02-2026Last modifiedVulnerability information updated.
Description
An issue in AsyncSSH before 2.14.1 allows attackers to control the remote end of an SSH client session via packet injection/removal and shell emulation, aka a "Rogue Session Attack."
CVSS metrics
5 scores · 5 sources · 1 version- OSV · PypiEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- OSV · UbuntuEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- OSV · DebianEcosystem advisory · calculated6.8MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- NVDNIST6.8MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.87%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.87% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Asyncssh_project1 product
- asyncssh< 2.14.1
Debian1 product
- python-asyncssh< 2.10.1-2+deb12u2 | < 2.15.0-1
PyPI1 product
- asyncssh< 2.14.1
Ubuntu1 product
- python-asyncsshAll versions (No fix recorded) | < 1.11.1-1ubuntu0.1~esm2 | < 1.12.2-1ubuntu0.2 | < 2.5.0-1ubuntu0.1 | < 2.10.1-2ubuntu0.1+esm1
4 vendors · 4 products
References
19 links- github.com/ronf/asyncssh/security/advisories/GHSA-c35q-ffpf-5qpmWEBAdvisoryREPORTThird Party Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
Show all 19 references
- github.com/ronf/asyncsshPACKAGE