How severe is CVE-2020-28874?

CVE-2020-28874 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-28874 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28874?

CVE-2020-28874 affects Projectsend. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28874?

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

When was CVE-2020-28874 published?

CVE-2020-28874 was published on 2021-01-26 and last updated on 2026-07-05.

CVE-2020-28874

CVE-2020-28874 is a high-severity vulnerability in Projectsend with a CVSS 3.x base score of 7.5. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Projectsend
Published: 2021-01-26
Last modified: 2026-07-05

Description

reset-password.php in ProjectSend before r1295 allows remote attackers to reset a password because of incorrect business logic. Errors are not properly considered (an invalid token parameter).

Frequently asked questions

What is CVE-2020-28874?: reset-password.php in ProjectSend before r1295 allows remote attackers to reset a password because of incorrect business logic. Errors are not properly considered (an invalid token parameter).
How severe is CVE-2020-28874?: CVE-2020-28874 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-28874 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28874?: CVE-2020-28874 affects Projectsend. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28874?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-28874 published?: CVE-2020-28874 was published on 2021-01-26 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:a:projectsend:projectsend:*:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
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