synced 12 MIN AGO
01 Record

CVE-2025-61985

ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.

LowPUBLISHEDCNA: mitre
CNA base score3.6 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
View raw JSON

02 Description

ssh in OpenSSH before 10.1 allows the '\0' character in an ssh:// URI, potentially leading to code execution when a ProxyCommand is used.

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.12% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 2.2% of scored records. A rank, not a probability.
NVD base score
3.6 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD analysis status
Deferred. NVD last modified this record on 2026-10-15.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2025-10-06 00:00Z1 YR AGO
Last updated
2026-10-15 01:09Z14 DAYS AGO
Reserved
2025-10-06
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Low (CVSS 3.6)
CNA CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weaknesses
  • CWE-158Improper Neutralization of Null Byte or NUL CharacterVariant
Data version
5.2
Document digest
5eb7d56d31b726fd072e8688cd7d2bab0223d017a78fbcfa9b424662c3b40908

05 Affected products

VendorProductVersionsPlatforms
OpenBSDOpenSSH0 to < 10.1—

06 References

07 Fixed in

AlmaLinux 8

  • openssh
    Fixed in 8.0p1-27.el8_10
  • openssh-askpass
    Fixed in 8.0p1-27.el8_10
  • openssh-cavs
    Fixed in 8.0p1-27.el8_10
  • openssh-clients
    Fixed in 8.0p1-27.el8_10
  • openssh-keycat
    Fixed in 8.0p1-27.el8_10
  • openssh-ldap
    Fixed in 8.0p1-27.el8_10
  • openssh-server
    Fixed in 8.0p1-27.el8_10
  • pam_ssh_agent_auth
    Fixed in 0.10.3-7.27.el8_10

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

AlmaLinux 9

  • openssh
    Fixed in 8.7p1-47.el9_7.alma.1
  • openssh-askpass
    Fixed in 8.7p1-47.el9_7.alma.1
  • openssh-clients
    Fixed in 8.7p1-47.el9_7.alma.1
  • openssh-keycat
    Fixed in 8.7p1-47.el9_7.alma.1
  • openssh-server
    Fixed in 8.7p1-47.el9_7.alma.1
  • pam_ssh_agent_auth
    Fixed in 0.10.4-5.47.el9_7.alma.1

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

AlmaLinux 10

  • openssh
    Fixed in 9.9p1-12.el10_1.alma.1
  • openssh-askpass
    Fixed in 9.9p1-12.el10_1.alma.1
  • openssh-clients
    Fixed in 9.9p1-12.el10_1.alma.1
  • openssh-keycat
    Fixed in 9.9p1-12.el10_1.alma.1
  • openssh-keysign
    Fixed in 9.9p1-12.el10_1.alma.1
  • openssh-server
    Fixed in 9.9p1-12.el10_1.alma.1

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 8

  • openssh
    Fixed in 8.0p1-27.el8_10
  • openssh-askpass
    Fixed in 8.0p1-27.el8_10
  • openssh-cavs
    Fixed in 8.0p1-27.el8_10
  • openssh-clients
    Fixed in 8.0p1-27.el8_10
  • openssh-keycat
    Fixed in 8.0p1-27.el8_10
  • openssh-ldap
    Fixed in 8.0p1-27.el8_10
  • openssh-server
    Fixed in 8.0p1-27.el8_10
  • pam_ssh_agent_auth
    Fixed in 0.10.3-7.27.el8_10

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 9

  • openssh
    Fixed in 8.7p1-47.el9_7.alma.1
  • openssh-askpass
    Fixed in 8.7p1-47.el9_7.alma.1
  • openssh-clients
    Fixed in 8.7p1-47.el9_7.alma.1
  • openssh-keycat
    Fixed in 8.7p1-47.el9_7.alma.1
  • openssh-server
    Fixed in 8.7p1-47.el9_7.alma.1
  • pam_ssh_agent_auth
    Fixed in 0.10.4-5.47.el9_7.alma.1

Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 10

  • openssh
    Fixed in 9.9p1-12.el10_1.alma.1
  • openssh-askpass
    Fixed in 9.9p1-12.el10_1.alma.1
  • openssh-clients
    Fixed in 9.9p1-12.el10_1.alma.1
  • openssh-keycat
    Fixed in 9.9p1-12.el10_1.alma.1
  • openssh-keysign
    Fixed in 9.9p1-12.el10_1.alma.1
  • openssh-server
    Fixed in 9.9p1-12.el10_1.alma.1

Derived from AlmaLinux 10. Partial coverage: only packages taken from AlmaLinux 10 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Debian 12

  • openssh
    Fixed in 1:9.2p1-2+deb12u8

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • openssh
    Fixed in 1:10.0p1-7+deb13u1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • openssh
    Fixed in 1:10.1p1-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • openssh-ssh1
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • openssh-ssh1
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 22.04 LTS

  • openssh
    Fixed in 1:8.9p1-3ubuntu0.14
  • openssh-ssh1
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 24.04 LTS

  • openssh
    Fixed in 1:9.6p1-3ubuntu13.15
  • openssh-ssh1
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 25.10

  • openssh
    Fixed in 1:10.0p1-5ubuntu5.1
  • openssh-ssh1
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.04 LTS

  • openssh
    Fixed in 1:10.2p1-2ubuntu1
  • openssh-ssh1
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.10

  • openssh-ssh1
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 20.04 LTS

  • openssh
    Fixed in 1:8.2p1-4ubuntu0.13+esm1
    Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS-preview 22.04 LTS

  • openssh
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS-updates 16.04 LTS

  • openssh
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS-updates 18.04 LTS

  • openssh
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS-updates 20.04 LTS

  • openssh
    Fixed in 1:8.2p1-4ubuntu0.fips.0.13.1
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS-updates 22.04 LTS

  • openssh
    Fixed in 1:8.9p1-3ubuntu0.14+Fips1
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS-updates 24.04 LTS

  • openssh
    Fixed in 1:9.6p1-3ubuntu13.15+Fips1
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS 16.04 LTS

  • openssh
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS 18.04 LTS

  • openssh
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro FIPS 20.04 LTS

  • openssh
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.