CVE-2024-54661: dest-unreach socat UNIX Symbolic Link (Symlink) Following
Vulnerability summary
CVE-2024-54661 is a critical (CVSS 9.8) UNIX Symbolic Link (Symlink) Following vulnerability in dest-unreach socat. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 56.4% of scored vulnerabilities.
Severe, CVSS 9.8 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 04-12-2024PublishedVulnerability first disclosed.
- 09-01-2025Last modifiedVulnerability information updated.
Description
readline.sh in socat before1.8.0.2 relies on the /tmp/$USER/stderr2 file.
CVSS metrics
6 scores · 6 sources · 1 version- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · Red hatEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.80%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.80% 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, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Suse7 products
- socat&distro=SUSE Linux Enterprise Micro 5.2< 1.7.3.2-150000.6.3.1
- socat&distro=SUSE Linux Enterprise Micro 5.3< 1.8.0.0-150400.14.6.1
- socat&distro=SUSE Linux Enterprise Micro 5.4< 1.8.0.0-150400.14.6.1
- socat&distro=SUSE Linux Enterprise Micro 5.5< 1.8.0.0-150400.14.6.1
- socat&distro=SUSE Linux Enterprise Module for Basesystem 15 SP5< 1.8.0.0-150400.14.6.1
Opensuse4 products
- socat&distro=openSUSE Leap 15.5< 1.8.0.0-150400.14.6.1
- socat&distro=openSUSE Leap 15.6< 1.8.0.0-150600.20.6.1
- socat&distro=openSUSE Leap Micro 5.5< 1.8.0.0-150400.14.6.1
- socat&distro=openSUSE Tumbleweed< 1.8.0.2-1.1
Redhat3 products
- socat< 0:1.7.4.1-6.el9_6.1 | < 0:1.7.4.1-5.el9_2.2 | < 0:1.7.4.1-5.el9_4.3 | < 0:1.7.4.1-2.el8_10
- socat-debuginfo< 0:1.7.4.1-6.el9_6.1 | < 0:1.7.4.1-5.el9_2.2 | < 0:1.7.4.1-5.el9_4.3 | < 0:1.7.4.1-2.el8_10
- socat-debugsource< 0:1.7.4.1-6.el9_6.1 | < 0:1.7.4.1-5.el9_2.2 | < 0:1.7.4.1-5.el9_4.3 | < 0:1.7.4.1-2.el8_10
Alpine1 product
- socatAll versions (No fix recorded)
Debian1 product
- socatAll versions (No fix recorded) | < 1.8.0.2-1
Dest-unreach1 product
- socat≥ 1.6.0.0, < 1.8.0.2 | ≥ 2.0.0-b1, ≤ 2.0.0-b9
Mageia1 product
- socat< 1.8.0.2-1.mga9
Ubuntu1 product
- socatAll versions (No fix recorded) | < 1.8.0.0-4ubuntu0.1
8 vendors · 19 products
References
30 linksShow all 30 references
- lists.opensuse.org/archives/…Advisory