How severe is CVE-2022-26157?

CVE-2022-26157 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-26157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26157?

CVE-2022-26157 affects Cherwell Cherwell Service Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26157?

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

When was CVE-2022-26157 published?

CVE-2022-26157 was published on 2022-02-28 and last updated on 2026-06-17.

CVE-2022-26157

CVE-2022-26157 is a medium-severity vulnerability in Cherwell Cherwell Service Management with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-311.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Cherwell Cherwell Service Management
Published: 2022-02-28
Last modified: 2026-06-17

Description

An issue was discovered in the web application in Cherwell Service Management (CSM) 10.2.3. The ASP.NET_Sessionid cookie is not protected by the Secure flag. This makes it prone to interception by an attacker if traffic is sent over unencrypted channels.

Frequently asked questions

What is CVE-2022-26157?: An issue was discovered in the web application in Cherwell Service Management (CSM) 10.2.3. The ASP.NET_Sessionid cookie is not protected by the Secure flag. This makes it prone to interception by an attacker if traffic is sent over unencrypted channels.
How severe is CVE-2022-26157?: CVE-2022-26157 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2022-26157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26157?: CVE-2022-26157 affects Cherwell Cherwell Service Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26157?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-26157 published?: CVE-2022-26157 was published on 2022-02-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cherwell:cherwell_service_management:10.2.3:*:*:*:*:*:*:*

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CVE-2022-26158 — Medium (CVSS 6.1): An issue was discovered in the web application in Cherwell Service Management (CSM) 10.2.3. It accepts and reflects…
CVE-2022-26156 — Medium (CVSS 6.1): An issue was discovered in the web application in Cherwell Service Management (CSM) 10.2.3. Injection of a malicious…
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