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CVE-2001-0959· NVD / CVE Program· CNA mitre

Computer Associates ARCserve for NT 6.61 SP2a and ARCserve 2000 7.0 creates a hidden share named ARCSERVE$, which allows remote attackers to

Computer Associates ARCserve for NT 6.61 SP2a and ARCserve 2000 7.0 creates a hidden share named ARCSERVE$, which allows remote attackers to obtain sensitive information and overwrite critical files.

MediumCVSS 6.4 · v2.0—No exploit No fix recorded
Published
Sep 15, 2001
Updated
Jun 16, 2026
EPSS
3.0% · 87th percentile
CWE
—
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Action score

26

Monitor

Low priority for now.

CVSS
25 / 40 · 6.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 3.0%

Affected systems

VendorProduct
broadcomarcserve backup
broadcomarcserve backup 2000
caarcserve backup 2000

Affected versions

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

  • broadcom arcserve backup6.61
  • broadcom arcserve backup 2000all versions
  • ca arcserve backup 2000all versions

Same product

broadcom: all records

Other highest-scoring records for the same primary product.

  • CVE-2001-0960Computer Associates ARCserve for NT 6.61 SP2a and ARCserve 2000 7.0 stores the backup agent user name and password in cleartext in the aremo
    41Plan
  • CVE-1999-1049ARCserve NT agents use weak encryption (XOR) for passwords, which allows remote attackers to sniff the authentication request to port 6050 a
    41Plan
  • CVE-2012-1662CA ARCserve Backup r12.0 through SP2, r12.5 before SP2, r15 through SP1, and r16 before SP1 on Windows allows remote attackers to cause a de
    21Monitor
  • CVE-1999-1322The installation of 1ArcServe Backup and Inoculan AV client modules for Exchange create a log file, exchverify.log, which contains usernames
    18Monitor

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

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

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.

No dated events beyond publication.

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.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
P · data can be read
Integrity
P · data or configuration can be modified
Availability
none
Attack complexity
Low
Confidentiality impact
P
Integrity impact
P
Availability impact
None

Weakness class (CWE)

—

CVSS vector

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

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.

We use this product, ask for help

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