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CVE-2018-19792

21
FAUCET Score

CVE-2018-19792 is a buffer overflow vulnerability affecting LiteSpeed OpenLiteSpeed versions prior to 1.5.0 RC6. A local attacker with high privileges can exploit this by creating a symlink with a long, specially crafted command name, leading to a denial of service or potentially other unspecified impacts. Rated Medium severity (CVSS 6.7), this vulnerability has a local attack vector and low attack complexity, with high impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.4.41CPE matchmatch criteria
cpe:2.3:a:litespeedtech:openlitespeed:*:*:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:litespeedtech:openlitespeed:1.5.0:rc1:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:litespeedtech:openlitespeed:1.5.0:rc2:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:litespeedtech:openlitespeed:1.5.0:rc3:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:litespeedtech:openlitespeed:1.5.0:rc4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.7MEDIUM

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 85th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference
View patch

References

github.com / litespeedtech/openlitespeed/issues/117
ExploitVendor Advisory