How severe is CVE-2000-1157?

CVE-2000-1157 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2000-1157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-1157?

CVE-2000-1157 affects Network Associates Sniffer Agent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-1157?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2000-1157 published?

CVE-2000-1157 was published on 2001-01-09 and last updated on 2026-06-16.

CVE-2000-1157

CVE-2000-1157 is a critical-severity vulnerability in Network Associates Sniffer Agent with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Network Associates Sniffer Agent
Published: 2001-01-09
Last modified: 2026-06-16

Description

Buffer overflow in NAI Sniffer Agent allows remote attackers to execute arbitrary commands via a long SNMP community name.

Frequently asked questions

What is CVE-2000-1157?: Buffer overflow in NAI Sniffer Agent allows remote attackers to execute arbitrary commands via a long SNMP community name.
How severe is CVE-2000-1157?: CVE-2000-1157 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2000-1157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-1157?: CVE-2000-1157 affects Network Associates Sniffer Agent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-1157?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2000-1157 published?: CVE-2000-1157 was published on 2001-01-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:network_associates:sniffer_agent:3.0.10:*:*:*:*:*:*:*

More vulnerabilities in Network Associates Sniffer Agent

CVE-2000-1159 — High (CVSS 7.5): NAI Sniffer Agent allows remote attackers to gain privileges on the agent by sniffing the initial UDP authentication…
CVE-2000-1158 — High (CVSS 7.5): NAI Sniffer Agent uses base64 encoding for authentication, which allows attackers to sniff the network and easily…
CVE-2000-1160 — Medium (CVSS 5.0): NAI Sniffer Agent allows remote attackers to cause a denial of service (crash) by sending a large number of login…

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