How severe is CVE-2002-1986?

CVE-2002-1986 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2002-1986 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-1986?

CVE-2002-1986 primarily affects Perception Liteserve. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-1986?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2002-1986 published?

CVE-2002-1986 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-1986

CVE-2002-1986 is a medium-severity vulnerability in Perception Liteserve with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Perception Liteserve
Published: 2002-12-31
Last modified: 2026-06-16

Description

Perception LiteServe 2.0 through 2.0.1 allows remote attackers to obtain the source code of CGI scripts via an HTTP request with a trailing dot (".").

Frequently asked questions

What is CVE-2002-1986?: Perception LiteServe 2.0 through 2.0.1 allows remote attackers to obtain the source code of CGI scripts via an HTTP request with a trailing dot (".").
How severe is CVE-2002-1986?: CVE-2002-1986 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-1986 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-1986?: CVE-2002-1986 primarily affects Perception Liteserve. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-1986?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-1986 published?: CVE-2002-1986 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:perception:liteserve:2.0:*:*:*:*:*:*:*
cpe:2.3:a:perception:liteserve:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:perception:liteserve:2.0.2:*:*:*:*:*:*:*

More vulnerabilities in Perception Liteserve

CVE-2003-1144 — Critical (CVSS 10.0): Buffer overflow in the log viewing interface in Perception LiteServe 1.25 through 2.2 allows remote attackers to…
CVE-2002-2406 — Medium (CVSS 5.0): Buffer overflow in HTTP server in LiteServe 2.0, 2.0.1 and 2.0.2 allows remote attackers to cause a denial of service…
CVE-2002-2369 — Medium (CVSS 5.0): Perception LiteServe 2.0 allows remote attackers to read password protected files via a leading "/./" in a URL.
CVE-2002-2192 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in Perception LiteServe 2.0.1 allows remote attackers to execute arbitrary web…

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