CVE-2025-47913 | Potential denial of service in golang.org/x/crypto/ssh/agent

Exp

SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.

Published: 2025-11-13 Last update: 2026-01-09 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-47913 is rated Exploit Available (50/100): CVSS High severity, with low exploitation likelihood (EPSS 0.02%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2025-47913

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2025-47913

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.06% 0.02% -0.04%
2 2025-11-19 0.04% 0.06% +0.01%
3 2025-11-14 0.04%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-47913

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-47913

OS Trackers for CVE-2025-47913

vendor priority summary link
debian not yet assigned CVE-2025-47913 not yet assigned priority: Debian including 1 source packages (golang-go.crypto), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 3, resolved 2. https://security-tracker.debian.org/tracker/CVE-2025-47913
redhat high https://access.redhat.com/security/cve/CVE-2025-47913
suse high CVE-2025-47913 severity important: SUSE including 427 source package names (1.1.0-1.4:trivy-0.68.2-150000.1.9.1, 13.2-9.1:libsqlite3-0-3.51.3-slfo.1.1_1.1, …), 741 product×package rows across 142 product lines (Container private-registry/harbor-trivy-adapter, Container suse/sl-micro/6.0/baremetal-os-container, … (142 product lines)): Fixed 502, Known Affected 231, First Fixed 8. https://www.suse.com/security/cve/CVE-2025-47913/
ubuntu medium CVE-2025-47913 medium priority: Ubuntu including 4 source packages (golang-go.crypto, google-guest-agent, lxd, snapd), 32 status rows across 8 suites (bionic, focal, jammy, noble, plucky, questing, upstream, xenial): needs-triage 18, not-affected 8, DNE 4, ignored 2. https://ubuntu.com/security/CVE-2025-47913

Affected software / configurations for CVE-2025-47913

Vendor Product Version Raw CPE
go ssh < 0.43.0 cpe:2.3:a:go:ssh:*:*:*:*:*:go:*:*

References for CVE-2025-47913

cvelogic Threat Intelligence