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CVE-2001-0797· NVD / CVE Program· CNA mitre

Buffer overflow in login in various System V based operating systems allows remote attackers to execute arbitrary commands via a large numbe

Buffer overflow in login in various System V based operating systems allows remote attackers to execute arbitrary commands via a large number of arguments through services such as telnet and rlogin.

CriticalCVSS 10.0 · v2.0—Weaponized No fix recorded
Published
Dec 12, 2001
Updated
Jun 16, 2026
EPSS
94.7% · 100th percentile
CWE
—
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Action score

68

This week

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CVSS
40 / 40 · 10.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
28 / 30 · 94.7%

Affected systems

VendorProduct
sgiirix
hphp-ux
ibmaix
scoopenserver
sunsolaris
sunsunos

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • hp hp-ux10.00
  • hp hp-ux10.01
  • hp hp-ux10.10
  • hp hp-ux10.20
  • hp hp-ux10.24
  • hp hp-ux11.0.4
  • hp hp-ux11.00
  • hp hp-ux11.11
  • ibm aix4.3
  • ibm aix4.3.1
  • ibm aix4.3.2
  • ibm aix4.3.3
  • ibm aix5.1
  • sco openserver5.0
  • sco openserver5.0.1
  • sco openserver5.0.2
  • sco openserver5.0.3
  • sco openserver5.0.4
  • sco openserver5.0.5
  • sco openserver5.0.6

Same product

sgi: all records

Other highest-scoring records for the same primary product.

  • CVE-2001-0800lpsched in IRIX 6.5.13f and earlier allows remote attackers to execute arbitrary commands via shell metacharacters.
    56Plan
  • CVE-2000-1221The line printer daemon (lpd) in the lpr package in multiple Linux operating systems authenticates by comparing the reverse-resolved hostnam
    45Plan
  • CVE-2000-0733Telnetd telnet server in IRIX 5.2 through 6.1 does not properly cleans user-injected format strings, which allows remote attackers to execut
    44Plan
  • CVE-2000-0245Vulnerability in SGI IRIX objectserver daemon allows remote attackers to create user accounts.
    44Plan
  • CVE-2000-1220The line printer daemon (lpd) in the lpr package in multiple Linux operating systems allows local users to gain root privileges by causing s
    44Plan
  • CVE-1999-0208rpc.ypupdated (NIS) allows remote users to execute arbitrary commands.
    44Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×2
  • Exploit-DB entry ×8

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entryremote2010-07-03
Exploit-DB entryremote2001-12-20
Exploit-DB entryremote2004-12-24
Exploit-DB entryremote2002-11-02
Exploit-DB entryremote2003-01-09
Exploit-DB entryremote2002-01-18
Exploit-DB entryremote2010-06-22
Exploit-DB entryremote2001-12-12
Metasploit moduleexploit/solaris/dialup/manyargsSystem V Derived /bin/login Extraneous Arguments Buffer Overflowexploit2001-12-12
Metasploit moduleexploit/solaris/telnet/ttypromptSolaris in.telnetd TTYPROMPT Buffer Overflowexploit2002-01-18

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. First PoCsame day
  2. Metasploitsame day
  3. Published
  4. TodaySep 30, 2026+9058 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
C · data can be read
Integrity
C · data or configuration can be modified
Availability
C · the service can be disrupted
Attack complexity
Low
Confidentiality impact
C
Integrity impact
C
Availability impact
C

Weakness class (CWE)

—

CVSS vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records