CVE-2017-1000082 — systemd v233 and earlier fails to safely parse usernames starting with a numeric digit (e.g. ...

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

• Documented patch — www.openwall.com (NIST National Vulnerability Database)
• Documented patch — github.com (NIST National Vulnerability Database)

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

1. Identify exposed assets running the affected vendor/product/version combinations (Systemd Project Systemd).
2. The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
3. Apply the fixed version or the patch documented under Remediation.
4. EPSS ahead of 90% of scored CVEs: prioritize it in the patch queue.
5. Search available logs for exploit probes matching the vulnerability class (privilege escalation), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-269 · Improper Privilege Management

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 3.88%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

• Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).

Timeline

What happened to this CVE, newest first.

• 2026
• Record published
  Oct 14, 2026
• Fix documented
  Oct 14, 2026 · NIST National Vulnerability Database
• Affected products added · systemd project/systemd
  Oct 14, 2026 · NIST National Vulnerability Database
• CVSS changed · 9.8
  Oct 14, 2026 · NIST National Vulnerability Database
• Source status changed · → Modified
  Oct 14, 2026 · NIST National Vulnerability Database
• Record created in this database
  Oct 14, 2026 · Alertas do Telegram
• 2017
• CVE published
  Jul 7, 2017 · mitre

Source activity

Repeated readings are counted rather than listed.

• 2× References added · Oct 14, 2026 – Oct 14, 2026
• 1× Official description updated · Oct 14, 2026 – Oct 14, 2026

References

6 on the record

• github.com/systemd/systemd/issues/6237
  Issue Tracking, Patch, Third Party Advisory, x_refsource_CONFIRM, NIST National Vulnerability Database
• www.openwall.com/lists/oss-security/2017/07/02/1
  Mailing List, Patch, Third Party Advisory, mailing-list, x_refsource_MLIST, NIST National Vulnerability Database
• www.securitytracker.com/id/1038839
  Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK, NIST National Vulnerability Database
• www.securityfocus.com/bid/99507
  Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID, NIST National Vulnerability Database
• github.com/advisories/GHSA-pp67-7cmm-9pp7
  GitHub Security Advisories
• nvd.nist.gov/vuln/detail/CVE-2017-1000082
  GitHub Security Advisories

Elsewhere on this site

Related CVEs (same products)

• Medium CVE-2026-40225 Incorrect Resource Transfer Between Spheres in Systemd Project Systemd Apr 10, 2026
• Medium CVE-2026-40227 In systemd 260 before 261, a local unprivileged user can trigger an assert via an IPC… Apr 10, 2026
• Medium CVE-2026-40226 In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via… Apr 10, 2026
• High CVE-2026-40224 Incorrect Authorization in Systemd Project Systemd Apr 10, 2026
• Low CVE-2026-40228 Incorrect Resource Transfer Between Spheres in Systemd Project Systemd Apr 10, 2026
• Medium CVE-2026-40223 In systemd 258 before 260, a local unprivileged user can trigger an assert when a… Apr 10, 2026

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

• No CISA SSVC assessment.
• No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
• No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
• No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2017-1000082 is "systemd v233 and earlier fails to safely parse usernames starting with a numeric digit (e.g. ...", rated Critical. It affects Systemd (Systemd Project); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 9.8 describes technical severity. EPSS 3.88% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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