Is CVE-2021-26837 in the CISA KEV catalog?

No. CVE-2021-26837 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-26837?

CVE-2021-26837 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-26837?

CVE-2021-26837 has an EPSS score of 0.85% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-26837?

Upgrade delivernow to 1.2.18 or later.

CVE & CISA-KEV Catalog

CVE-2021-26837

CRITICAL

9.8

CVSS v3

NVD

Description

SQL Injection vulnerability in SearchTextBox parameter in Fortra (Formerly HelpSystems) DeliverNow before version 1.2.18, allows attackers to execute arbitrary code, escalate privileges, and gain sensitive information.

CWE-89SQL Injection

How to fix

Remediation Available

delivernowNVD

Affected:< 1.2.18Fixed in:1.2.18CVE-2021-26837derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.85%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Exploit1

susos.co

Third-Party Advisory1

community.helpsystems.com

Related Vulnerabilities

Other CWE-89 (SQL Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-3704	High	7.5	100%	-	Fix
CVE-2015-7297	High	7.5	100%	-	-
CVE-2024-29824	High	8.8	100%	KEV	Fix
CVE-2023-34362	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-7481	High	7.5	100%	KEV + Ransom	Fix
CVE-2024-29826	High	8.8	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.